Home / 998,503.20-1,497,754.80-436,941.60

Finding the Fourth Proportional to 998,503.20, 1,497,754.80 and 436,941.60

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Solution

The fourth proportional to 998,503.20, 1,497,754.80 and 436,941.60 is: 655,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,503.20 : 1,497,754.80 = 436,941.60 : x
  2. Step 2: Convert to fraction form
    998,503.20/1,497,754.80 = 436,941.60/x
  3. Step 3: Cross multiply
    998,503.20x = 1,497,754.80 × 436,941.60
  4. Step 4: Simplify right side
    998,503.20x = 654,431,378,719.68
  5. Step 5: Solve for x
    x = 654,431,378,719.68/998,503.20
  6. Step 6: Final answer
    x = 655,412.40

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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.