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Finding the Fourth Proportional to 498,846.40, 748,269.60 and 341,382.40

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Solution

The fourth proportional to 498,846.40, 748,269.60 and 341,382.40 is: 512,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,846.40 : 748,269.60 = 341,382.40 : x
  2. Step 2: Convert to fraction form
    498,846.40/748,269.60 = 341,382.40/x
  3. Step 3: Cross multiply
    498,846.40x = 748,269.60 × 341,382.40
  4. Step 4: Simplify right side
    498,846.40x = 255,446,071,895.04
  5. Step 5: Solve for x
    x = 255,446,071,895.04/498,846.40
  6. Step 6: Final answer
    x = 512,073.60

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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.