Home / 578,052.20-868,115.10-559,389.80

Finding the Fourth Proportional to 578,052.20, 868,115.10 and 559,389.80

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Solution

The fourth proportional to 578,052.20, 868,115.10 and 559,389.80 is: 840,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,052.20 : 868,115.10 = 559,389.80 : x
  2. Step 2: Convert to fraction form
    578,052.20/868,115.10 = 559,389.80/x
  3. Step 3: Cross multiply
    578,052.20x = 868,115.10 × 559,389.80
  4. Step 4: Simplify right side
    578,052.20x = 485,614,732,165.98
  5. Step 5: Solve for x
    x = 485,614,732,165.98/578,052.20
  6. Step 6: Final answer
    x = 840,088.03

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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.