Home / 520,945.28-781,374.72-165,944.96

Finding the Fourth Proportional to 520,945.28, 781,374.72 and 165,944.96

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Solution

The fourth proportional to 520,945.28, 781,374.72 and 165,944.96 is: 248,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,945.28 : 781,374.72 = 165,944.96 : x
  2. Step 2: Convert to fraction form
    520,945.28/781,374.72 = 165,944.96/x
  3. Step 3: Cross multiply
    520,945.28x = 781,374.72 × 165,944.96
  4. Step 4: Simplify right side
    520,945.28x = 129,665,196,655.41
  5. Step 5: Solve for x
    x = 129,665,196,655.41/520,945.28
  6. Step 6: Final answer
    x = 248,903.68

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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.