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Finding the Fourth Proportional to 576,000.15, 864,000.23 and 520,704.15

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Solution

The fourth proportional to 576,000.15, 864,000.23 and 520,704.15 is: 781,056.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,000.15 : 864,000.23 = 520,704.15 : x
  2. Step 2: Convert to fraction form
    576,000.15/864,000.23 = 520,704.15/x
  3. Step 3: Cross multiply
    576,000.15x = 864,000.23 × 520,704.15
  4. Step 4: Simplify right side
    576,000.15x = 449,888,502,758.43
  5. Step 5: Solve for x
    x = 449,888,502,758.43/576,000.15
  6. Step 6: Final answer
    x = 781,056.23

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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.