Home / 727,840.20-1,090,593.90-461,123.40

Finding the Fourth Proportional to 727,840.20, 1,090,593.90 and 461,123.40

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Solution

The fourth proportional to 727,840.20, 1,090,593.90 and 461,123.40 is: 690,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,840.20 : 1,090,593.90 = 461,123.40 : x
  2. Step 2: Convert to fraction form
    727,840.20/1,090,593.90 = 461,123.40/x
  3. Step 3: Cross multiply
    727,840.20x = 1,090,593.90 × 461,123.40
  4. Step 4: Simplify right side
    727,840.20x = 502,898,367,187.26
  5. Step 5: Solve for x
    x = 502,898,367,187.26/727,840.20
  6. Step 6: Final answer
    x = 690,946.13

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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.