Home / 998,069.60-1,497,104.40-398,734.40

Finding the Fourth Proportional to 998,069.60, 1,497,104.40 and 398,734.40

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Solution

The fourth proportional to 998,069.60, 1,497,104.40 and 398,734.40 is: 598,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,069.60 : 1,497,104.40 = 398,734.40 : x
  2. Step 2: Convert to fraction form
    998,069.60/1,497,104.40 = 398,734.40/x
  3. Step 3: Cross multiply
    998,069.60x = 1,497,104.40 × 398,734.40
  4. Step 4: Simplify right side
    998,069.60x = 596,947,024,671.36
  5. Step 5: Solve for x
    x = 596,947,024,671.36/998,069.60
  6. Step 6: Final answer
    x = 598,101.60

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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.