Home / 998,053.10-1,497,079.65-288,104.30

Finding the Fourth Proportional to 998,053.10, 1,497,079.65 and 288,104.30

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Solution

The fourth proportional to 998,053.10, 1,497,079.65 and 288,104.30 is: 432,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,053.10 : 1,497,079.65 = 288,104.30 : x
  2. Step 2: Convert to fraction form
    998,053.10/1,497,079.65 = 288,104.30/x
  3. Step 3: Cross multiply
    998,053.10x = 1,497,079.65 × 288,104.30
  4. Step 4: Simplify right side
    998,053.10x = 431,315,084,607.50
  5. Step 5: Solve for x
    x = 431,315,084,607.50/998,053.10
  6. Step 6: Final answer
    x = 432,156.45

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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.