Home / 497,932.80-746,899.20-123,955.80

Finding the Fourth Proportional to 497,932.80, 746,899.20 and 123,955.80

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Solution

The fourth proportional to 497,932.80, 746,899.20 and 123,955.80 is: 185,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,932.80 : 746,899.20 = 123,955.80 : x
  2. Step 2: Convert to fraction form
    497,932.80/746,899.20 = 123,955.80/x
  3. Step 3: Cross multiply
    497,932.80x = 746,899.20 × 123,955.80
  4. Step 4: Simplify right side
    497,932.80x = 92,582,487,855.36
  5. Step 5: Solve for x
    x = 92,582,487,855.36/497,932.80
  6. Step 6: Final answer
    x = 185,933.70

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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.