Home / 639,199.95-958,550.82-239,622.75

Finding the Fourth Proportional to 639,199.95, 958,550.82 and 239,622.75

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Solution

The fourth proportional to 639,199.95, 958,550.82 and 239,622.75 is: 359,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,199.95 : 958,550.82 = 239,622.75 : x
  2. Step 2: Convert to fraction form
    639,199.95/958,550.82 = 239,622.75/x
  3. Step 3: Cross multiply
    639,199.95x = 958,550.82 × 239,622.75
  4. Step 4: Simplify right side
    639,199.95x = 229,690,583,503.16
  5. Step 5: Solve for x
    x = 229,690,583,503.16/639,199.95
  6. Step 6: Final answer
    x = 359,340.74

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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.