Home / 798,425.40-1,197,638.10-656,707.80

Finding the Fourth Proportional to 798,425.40, 1,197,638.10 and 656,707.80

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Solution

The fourth proportional to 798,425.40, 1,197,638.10 and 656,707.80 is: 985,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,425.40 : 1,197,638.10 = 656,707.80 : x
  2. Step 2: Convert to fraction form
    798,425.40/1,197,638.10 = 656,707.80/x
  3. Step 3: Cross multiply
    798,425.40x = 1,197,638.10 × 656,707.80
  4. Step 4: Simplify right side
    798,425.40x = 786,498,281,847.18
  5. Step 5: Solve for x
    x = 786,498,281,847.18/798,425.40
  6. Step 6: Final answer
    x = 985,061.70

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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.