Home / 729,394.14-1,006,614.63-407,167.14

Finding the Fourth Proportional to 729,394.14, 1,006,614.63 and 407,167.14

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Solution

The fourth proportional to 729,394.14, 1,006,614.63 and 407,167.14 is: 561,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,394.14 : 1,006,614.63 = 407,167.14 : x
  2. Step 2: Convert to fraction form
    729,394.14/1,006,614.63 = 407,167.14/x
  3. Step 3: Cross multiply
    729,394.14x = 1,006,614.63 × 407,167.14
  4. Step 4: Simplify right side
    729,394.14x = 409,860,399,979.26
  5. Step 5: Solve for x
    x = 409,860,399,979.26/729,394.14
  6. Step 6: Final answer
    x = 561,918.96

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1.5x scale

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.