Home / 832,130.40-1,248,195.60-496,207.20

Finding the Fourth Proportional to 832,130.40, 1,248,195.60 and 496,207.20

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Solution

The fourth proportional to 832,130.40, 1,248,195.60 and 496,207.20 is: 744,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,130.40 : 1,248,195.60 = 496,207.20 : x
  2. Step 2: Convert to fraction form
    832,130.40/1,248,195.60 = 496,207.20/x
  3. Step 3: Cross multiply
    832,130.40x = 1,248,195.60 × 496,207.20
  4. Step 4: Simplify right side
    832,130.40x = 619,363,643,728.32
  5. Step 5: Solve for x
    x = 619,363,643,728.32/832,130.40
  6. Step 6: Final answer
    x = 744,310.80

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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.