Home / 566,154.24-781,292.85-311,505.42

Finding the Fourth Proportional to 566,154.24, 781,292.85 and 311,505.42

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Solution

The fourth proportional to 566,154.24, 781,292.85 and 311,505.42 is: 429,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,154.24 : 781,292.85 = 311,505.42 : x
  2. Step 2: Convert to fraction form
    566,154.24/781,292.85 = 311,505.42/x
  3. Step 3: Cross multiply
    566,154.24x = 781,292.85 × 311,505.42
  4. Step 4: Simplify right side
    566,154.24x = 243,376,957,382.25
  5. Step 5: Solve for x
    x = 243,376,957,382.25/566,154.24
  6. Step 6: Final answer
    x = 429,877.48

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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.