Home / 998,061.10-1,497,286.05-288,112.30

Finding the Fourth Proportional to 998,061.10, 1,497,286.05 and 288,112.30

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Solution

The fourth proportional to 998,061.10, 1,497,286.05 and 288,112.30 is: 432,224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,061.10 : 1,497,286.05 = 288,112.30 : x
  2. Step 2: Convert to fraction form
    998,061.10/1,497,286.05 = 288,112.30/x
  3. Step 3: Cross multiply
    998,061.10x = 1,497,286.05 × 288,112.30
  4. Step 4: Simplify right side
    998,061.10x = 431,386,527,623.42
  5. Step 5: Solve for x
    x = 431,386,527,623.42/998,061.10
  6. Step 6: Final answer
    x = 432,224.57

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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.