Home / 729,484.32-1,006,684.52-423,635.91

Finding the Fourth Proportional to 729,484.32, 1,006,684.52 and 423,635.91

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Solution

The fourth proportional to 729,484.32, 1,006,684.52 and 423,635.91 is: 584,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,484.32 : 1,006,684.52 = 423,635.91 : x
  2. Step 2: Convert to fraction form
    729,484.32/1,006,684.52 = 423,635.91/x
  3. Step 3: Cross multiply
    729,484.32x = 1,006,684.52 × 423,635.91
  4. Step 4: Simplify right side
    729,484.32x = 426,467,712,713.11
  5. Step 5: Solve for x
    x = 426,467,712,713.11/729,484.32
  6. Step 6: Final answer
    x = 584,615.32

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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.