Home / 829,463.40-1,244,348.70-268,516.20

Finding the Fourth Proportional to 829,463.40, 1,244,348.70 and 268,516.20

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Solution

The fourth proportional to 829,463.40, 1,244,348.70 and 268,516.20 is: 402,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,463.40 : 1,244,348.70 = 268,516.20 : x
  2. Step 2: Convert to fraction form
    829,463.40/1,244,348.70 = 268,516.20/x
  3. Step 3: Cross multiply
    829,463.40x = 1,244,348.70 × 268,516.20
  4. Step 4: Simplify right side
    829,463.40x = 334,127,784,398.94
  5. Step 5: Solve for x
    x = 334,127,784,398.94/829,463.40
  6. Step 6: Final answer
    x = 402,824.02

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Double scale
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Similar ratio
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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.