Home / 998,082.10-1,497,123.15-398,746.90

Finding the Fourth Proportional to 998,082.10, 1,497,123.15 and 398,746.90

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Solution

The fourth proportional to 998,082.10, 1,497,123.15 and 398,746.90 is: 598,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,082.10 : 1,497,123.15 = 398,746.90 : x
  2. Step 2: Convert to fraction form
    998,082.10/1,497,123.15 = 398,746.90/x
  3. Step 3: Cross multiply
    998,082.10x = 1,497,123.15 × 398,746.90
  4. Step 4: Simplify right side
    998,082.10x = 596,973,214,980.74
  5. Step 5: Solve for x
    x = 596,973,214,980.74/998,082.10
  6. Step 6: Final answer
    x = 598,120.35

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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.