Home / 1,005,551.52-1,508,006.72-331,507.20

Finding the Fourth Proportional to 1,005,551.52, 1,508,006.72 and 331,507.20

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Solution

The fourth proportional to 1,005,551.52, 1,508,006.72 and 331,507.20 is: 497,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,551.52 : 1,508,006.72 = 331,507.20 : x
  2. Step 2: Convert to fraction form
    1,005,551.52/1,508,006.72 = 331,507.20/x
  3. Step 3: Cross multiply
    1,005,551.52x = 1,508,006.72 × 331,507.20
  4. Step 4: Simplify right side
    1,005,551.52x = 499,915,085,328.38
  5. Step 5: Solve for x
    x = 499,915,085,328.38/1,005,551.52
  6. Step 6: Final answer
    x = 497,155.12

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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.