Home / 729,002.24-1,006,023.72-406,712.40

Finding the Fourth Proportional to 729,002.24, 1,006,023.72 and 406,712.40

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Solution

The fourth proportional to 729,002.24, 1,006,023.72 and 406,712.40 is: 561,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,002.24 : 1,006,023.72 = 406,712.40 : x
  2. Step 2: Convert to fraction form
    729,002.24/1,006,023.72 = 406,712.40/x
  3. Step 3: Cross multiply
    729,002.24x = 1,006,023.72 × 406,712.40
  4. Step 4: Simplify right side
    729,002.24x = 409,162,321,618.13
  5. Step 5: Solve for x
    x = 409,162,321,618.13/729,002.24
  6. Step 6: Final answer
    x = 561,263.47

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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.