Home / 729,695.42-1,006,937.37-407,425.92

Finding the Fourth Proportional to 729,695.42, 1,006,937.37 and 407,425.92

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Solution

The fourth proportional to 729,695.42, 1,006,937.37 and 407,425.92 is: 562,224.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,695.42 : 1,006,937.37 = 407,425.92 : x
  2. Step 2: Convert to fraction form
    729,695.42/1,006,937.37 = 407,425.92/x
  3. Step 3: Cross multiply
    729,695.42x = 1,006,937.37 × 407,425.92
  4. Step 4: Simplify right side
    729,695.42x = 410,252,384,354.63
  5. Step 5: Solve for x
    x = 410,252,384,354.63/729,695.42
  6. Step 6: Final answer
    x = 562,224.15

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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.