Home / 987,169.50-1,480,754.45-356,083.25

Finding the Fourth Proportional to 987,169.50, 1,480,754.45 and 356,083.25

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Solution

The fourth proportional to 987,169.50, 1,480,754.45 and 356,083.25 is: 534,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,169.50 : 1,480,754.45 = 356,083.25 : x
  2. Step 2: Convert to fraction form
    987,169.50/1,480,754.45 = 356,083.25/x
  3. Step 3: Cross multiply
    987,169.50x = 1,480,754.45 × 356,083.25
  4. Step 4: Simplify right side
    987,169.50x = 527,271,850,494.40
  5. Step 5: Solve for x
    x = 527,271,850,494.40/987,169.50
  6. Step 6: Final answer
    x = 534,124.94

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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.