Home / 425,822.90-639,000.27-283,767.86

Finding the Fourth Proportional to 425,822.90, 639,000.27 and 283,767.86

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Solution

The fourth proportional to 425,822.90, 639,000.27 and 283,767.86 is: 425,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,822.90 : 639,000.27 = 283,767.86 : x
  2. Step 2: Convert to fraction form
    425,822.90/639,000.27 = 283,767.86/x
  3. Step 3: Cross multiply
    425,822.90x = 639,000.27 × 283,767.86
  4. Step 4: Simplify right side
    425,822.90x = 181,327,739,157.32
  5. Step 5: Solve for x
    x = 181,327,739,157.32/425,822.90
  6. Step 6: Final answer
    x = 425,829.00

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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.