Home / 804,965.80-1,207,448.70-243,927.40

Finding the Fourth Proportional to 804,965.80, 1,207,448.70 and 243,927.40

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Solution

The fourth proportional to 804,965.80, 1,207,448.70 and 243,927.40 is: 365,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,965.80 : 1,207,448.70 = 243,927.40 : x
  2. Step 2: Convert to fraction form
    804,965.80/1,207,448.70 = 243,927.40/x
  3. Step 3: Cross multiply
    804,965.80x = 1,207,448.70 × 243,927.40
  4. Step 4: Simplify right side
    804,965.80x = 294,529,822,024.38
  5. Step 5: Solve for x
    x = 294,529,822,024.38/804,965.80
  6. Step 6: Final answer
    x = 365,891.10

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Double scale
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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.