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Finding the Fourth Proportional to 704,859.32, 972,706.90 and 382,569.52

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Solution

The fourth proportional to 704,859.32, 972,706.90 and 382,569.52 is: 527,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,859.32 : 972,706.90 = 382,569.52 : x
  2. Step 2: Convert to fraction form
    704,859.32/972,706.90 = 382,569.52/x
  3. Step 3: Cross multiply
    704,859.32x = 972,706.90 × 382,569.52
  4. Step 4: Simplify right side
    704,859.32x = 372,128,011,833.69
  5. Step 5: Solve for x
    x = 372,128,011,833.69/704,859.32
  6. Step 6: Final answer
    x = 527,946.50

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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.