Home / 998,460.46-1,497,685.14-399,560.20

Finding the Fourth Proportional to 998,460.46, 1,497,685.14 and 399,560.20

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Solution

The fourth proportional to 998,460.46, 1,497,685.14 and 399,560.20 is: 599,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,460.46 : 1,497,685.14 = 399,560.20 : x
  2. Step 2: Convert to fraction form
    998,460.46/1,497,685.14 = 399,560.20/x
  3. Step 3: Cross multiply
    998,460.46x = 1,497,685.14 × 399,560.20
  4. Step 4: Simplify right side
    998,460.46x = 598,415,374,075.43
  5. Step 5: Solve for x
    x = 598,415,374,075.43/998,460.46
  6. Step 6: Final answer
    x = 599,338.08

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Double scale
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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.