Home / 804,988.60-1,207,482.90-385,084.60

Finding the Fourth Proportional to 804,988.60, 1,207,482.90 and 385,084.60

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Solution

The fourth proportional to 804,988.60, 1,207,482.90 and 385,084.60 is: 577,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,988.60 : 1,207,482.90 = 385,084.60 : x
  2. Step 2: Convert to fraction form
    804,988.60/1,207,482.90 = 385,084.60/x
  3. Step 3: Cross multiply
    804,988.60x = 1,207,482.90 × 385,084.60
  4. Step 4: Simplify right side
    804,988.60x = 464,983,069,553.34
  5. Step 5: Solve for x
    x = 464,983,069,553.34/804,988.60
  6. Step 6: Final answer
    x = 577,626.90

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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.