Home / 820,772.88-1,132,685.76-514,862.28

Finding the Fourth Proportional to 820,772.88, 1,132,685.76 and 514,862.28

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Solution

The fourth proportional to 820,772.88, 1,132,685.76 and 514,862.28 is: 710,521.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,772.88 : 1,132,685.76 = 514,862.28 : x
  2. Step 2: Convert to fraction form
    820,772.88/1,132,685.76 = 514,862.28/x
  3. Step 3: Cross multiply
    820,772.88x = 1,132,685.76 × 514,862.28
  4. Step 4: Simplify right side
    820,772.88x = 583,177,172,917.13
  5. Step 5: Solve for x
    x = 583,177,172,917.13/820,772.88
  6. Step 6: Final answer
    x = 710,521.98

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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.