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Finding the Fourth Proportional to 576,424.89, 864,635.45 and 155,700.90

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Solution

The fourth proportional to 576,424.89, 864,635.45 and 155,700.90 is: 233,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,424.89 : 864,635.45 = 155,700.90 : x
  2. Step 2: Convert to fraction form
    576,424.89/864,635.45 = 155,700.90/x
  3. Step 3: Cross multiply
    576,424.89x = 864,635.45 × 155,700.90
  4. Step 4: Simplify right side
    576,424.89x = 134,624,516,958.40
  5. Step 5: Solve for x
    x = 134,624,516,958.40/576,424.89
  6. Step 6: Final answer
    x = 233,550.84

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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.