Home / 882,764.92-1,218,116.64-520,165.18

Finding the Fourth Proportional to 882,764.92, 1,218,116.64 and 520,165.18

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Solution

The fourth proportional to 882,764.92, 1,218,116.64 and 520,165.18 is: 717,769.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,764.92 : 1,218,116.64 = 520,165.18 : x
  2. Step 2: Convert to fraction form
    882,764.92/1,218,116.64 = 520,165.18/x
  3. Step 3: Cross multiply
    882,764.92x = 1,218,116.64 × 520,165.18
  4. Step 4: Simplify right side
    882,764.92x = 633,621,861,306.60
  5. Step 5: Solve for x
    x = 633,621,861,306.60/882,764.92
  6. Step 6: Final answer
    x = 717,769.64

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Double scale
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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.