Home / 905,047.86-1,248,685.11-522,935.22

Finding the Fourth Proportional to 905,047.86, 1,248,685.11 and 522,935.22

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Solution

The fourth proportional to 905,047.86, 1,248,685.11 and 522,935.22 is: 721,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,047.86 : 1,248,685.11 = 522,935.22 : x
  2. Step 2: Convert to fraction form
    905,047.86/1,248,685.11 = 522,935.22/x
  3. Step 3: Cross multiply
    905,047.86x = 1,248,685.11 × 522,935.22
  4. Step 4: Simplify right side
    905,047.86x = 652,981,422,708.57
  5. Step 5: Solve for x
    x = 652,981,422,708.57/905,047.86
  6. Step 6: Final answer
    x = 721,488.28

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Double scale
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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.