Home / 520,946.28-781,376.22-165,945.96

Finding the Fourth Proportional to 520,946.28, 781,376.22 and 165,945.96

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Solution

The fourth proportional to 520,946.28, 781,376.22 and 165,945.96 is: 248,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,946.28 : 781,376.22 = 165,945.96 : x
  2. Step 2: Convert to fraction form
    520,946.28/781,376.22 = 165,945.96/x
  3. Step 3: Cross multiply
    520,946.28x = 781,376.22 × 165,945.96
  4. Step 4: Simplify right side
    520,946.28x = 129,666,226,949.07
  5. Step 5: Solve for x
    x = 129,666,226,949.07/520,946.28
  6. Step 6: Final answer
    x = 248,905.18

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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.