Home / 749,847.68-1,124,771.52-329,127.20

Finding the Fourth Proportional to 749,847.68, 1,124,771.52 and 329,127.20

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Solution

The fourth proportional to 749,847.68, 1,124,771.52 and 329,127.20 is: 493,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,847.68 : 1,124,771.52 = 329,127.20 : x
  2. Step 2: Convert to fraction form
    749,847.68/1,124,771.52 = 329,127.20/x
  3. Step 3: Cross multiply
    749,847.68x = 1,124,771.52 × 329,127.20
  4. Step 4: Simplify right side
    749,847.68x = 370,192,901,017.34
  5. Step 5: Solve for x
    x = 370,192,901,017.34/749,847.68
  6. Step 6: Final answer
    x = 493,690.80

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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.