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Finding the Fourth Proportional to 500,951.19, 749,652.99 and 311,500.77

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Solution

The fourth proportional to 500,951.19, 749,652.99 and 311,500.77 is: 466,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,951.19 : 749,652.99 = 311,500.77 : x
  2. Step 2: Convert to fraction form
    500,951.19/749,652.99 = 311,500.77/x
  3. Step 3: Cross multiply
    500,951.19x = 749,652.99 × 311,500.77
  4. Step 4: Simplify right side
    500,951.19x = 233,517,483,617.80
  5. Step 5: Solve for x
    x = 233,517,483,617.80/500,951.19
  6. Step 6: Final answer
    x = 466,148.18

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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.