Home / 729,838.52-1,006,891.14-423,862.60

Finding the Fourth Proportional to 729,838.52, 1,006,891.14 and 423,862.60

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Solution

The fourth proportional to 729,838.52, 1,006,891.14 and 423,862.60 is: 584,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,838.52 : 1,006,891.14 = 423,862.60 : x
  2. Step 2: Convert to fraction form
    729,838.52/1,006,891.14 = 423,862.60/x
  3. Step 3: Cross multiply
    729,838.52x = 1,006,891.14 × 423,862.60
  4. Step 4: Simplify right side
    729,838.52x = 426,783,496,517.36
  5. Step 5: Solve for x
    x = 426,783,496,517.36/729,838.52
  6. Step 6: Final answer
    x = 584,764.28

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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.