Home / 918,132.30-1,377,198.45-357,166.80

Finding the Fourth Proportional to 918,132.30, 1,377,198.45 and 357,166.80

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Solution

The fourth proportional to 918,132.30, 1,377,198.45 and 357,166.80 is: 535,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,132.30 : 1,377,198.45 = 357,166.80 : x
  2. Step 2: Convert to fraction form
    918,132.30/1,377,198.45 = 357,166.80/x
  3. Step 3: Cross multiply
    918,132.30x = 1,377,198.45 × 357,166.80
  4. Step 4: Simplify right side
    918,132.30x = 491,889,563,351.46
  5. Step 5: Solve for x
    x = 491,889,563,351.46/918,132.30
  6. Step 6: Final answer
    x = 535,750.20

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Half scale
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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.