Home / 921,306.27-1,382,943.55-522,725.52

Finding the Fourth Proportional to 921,306.27, 1,382,943.55 and 522,725.52

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Solution

The fourth proportional to 921,306.27, 1,382,943.55 and 522,725.52 is: 784,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,306.27 : 1,382,943.55 = 522,725.52 : x
  2. Step 2: Convert to fraction form
    921,306.27/1,382,943.55 = 522,725.52/x
  3. Step 3: Cross multiply
    921,306.27x = 1,382,943.55 × 522,725.52
  4. Step 4: Simplify right side
    921,306.27x = 722,899,884,997.58
  5. Step 5: Solve for x
    x = 722,899,884,997.58/921,306.27
  6. Step 6: Final answer
    x = 784,646.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.