Home / 804,964.90-1,207,447.35-385,060.90

Finding the Fourth Proportional to 804,964.90, 1,207,447.35 and 385,060.90

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Solution

The fourth proportional to 804,964.90, 1,207,447.35 and 385,060.90 is: 577,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,964.90 : 1,207,447.35 = 385,060.90 : x
  2. Step 2: Convert to fraction form
    804,964.90/1,207,447.35 = 385,060.90/x
  3. Step 3: Cross multiply
    804,964.90x = 1,207,447.35 × 385,060.90
  4. Step 4: Simplify right side
    804,964.90x = 464,940,763,293.62
  5. Step 5: Solve for x
    x = 464,940,763,293.62/804,964.90
  6. Step 6: Final answer
    x = 577,591.35

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Half scale
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Double scale
Find fourth proportional to 804,965.90, 1,207,448.85 and 385,061.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.