Home / 798,113.20-1,197,169.80-498,931.60

Finding the Fourth Proportional to 798,113.20, 1,197,169.80 and 498,931.60

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Solution

The fourth proportional to 798,113.20, 1,197,169.80 and 498,931.60 is: 748,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,113.20 : 1,197,169.80 = 498,931.60 : x
  2. Step 2: Convert to fraction form
    798,113.20/1,197,169.80 = 498,931.60/x
  3. Step 3: Cross multiply
    798,113.20x = 1,197,169.80 × 498,931.60
  4. Step 4: Simplify right side
    798,113.20x = 597,305,843,785.68
  5. Step 5: Solve for x
    x = 597,305,843,785.68/798,113.20
  6. Step 6: Final answer
    x = 748,397.40

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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.