Home / 729,301.60-1,006,537.64-407,032.46

Finding the Fourth Proportional to 729,301.60, 1,006,537.64 and 407,032.46

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Solution

The fourth proportional to 729,301.60, 1,006,537.64 and 407,032.46 is: 561,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,301.60 : 1,006,537.64 = 407,032.46 : x
  2. Step 2: Convert to fraction form
    729,301.60/1,006,537.64 = 407,032.46/x
  3. Step 3: Cross multiply
    729,301.60x = 1,006,537.64 × 407,032.46
  4. Step 4: Simplify right side
    729,301.60x = 409,693,491,691.79
  5. Step 5: Solve for x
    x = 409,693,491,691.79/729,301.60
  6. Step 6: Final answer
    x = 561,761.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.