Home / 998,411.18-1,497,321.12-288,445.64

Finding the Fourth Proportional to 998,411.18, 1,497,321.12 and 288,445.64

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Solution

The fourth proportional to 998,411.18, 1,497,321.12 and 288,445.64 is: 432,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,411.18 : 1,497,321.12 = 288,445.64 : x
  2. Step 2: Convert to fraction form
    998,411.18/1,497,321.12 = 288,445.64/x
  3. Step 3: Cross multiply
    998,411.18x = 1,497,321.12 × 288,445.64
  4. Step 4: Simplify right side
    998,411.18x = 431,895,748,743.92
  5. Step 5: Solve for x
    x = 431,895,748,743.92/998,411.18
  6. Step 6: Final answer
    x = 432,583.05

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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.