Home / 688,512.15-950,127.81-382,580.61

Finding the Fourth Proportional to 688,512.15, 950,127.81 and 382,580.61

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Solution

The fourth proportional to 688,512.15, 950,127.81 and 382,580.61 is: 527,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,512.15 : 950,127.81 = 382,580.61 : x
  2. Step 2: Convert to fraction form
    688,512.15/950,127.81 = 382,580.61/x
  3. Step 3: Cross multiply
    688,512.15x = 950,127.81 × 382,580.61
  4. Step 4: Simplify right side
    688,512.15x = 363,500,475,214.86
  5. Step 5: Solve for x
    x = 363,500,475,214.86/688,512.15
  6. Step 6: Final answer
    x = 527,950.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.