Home / 498,977.40-748,466.10-460,486.20

Finding the Fourth Proportional to 498,977.40, 748,466.10 and 460,486.20

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Solution

The fourth proportional to 498,977.40, 748,466.10 and 460,486.20 is: 690,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,977.40 : 748,466.10 = 460,486.20 : x
  2. Step 2: Convert to fraction form
    498,977.40/748,466.10 = 460,486.20/x
  3. Step 3: Cross multiply
    498,977.40x = 748,466.10 × 460,486.20
  4. Step 4: Simplify right side
    498,977.40x = 344,658,310,217.82
  5. Step 5: Solve for x
    x = 344,658,310,217.82/498,977.40
  6. Step 6: Final answer
    x = 690,729.30

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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.