Home / 850,585.86-1,276,061.85-424,350.90

Finding the Fourth Proportional to 850,585.86, 1,276,061.85 and 424,350.90

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Solution

The fourth proportional to 850,585.86, 1,276,061.85 and 424,350.90 is: 636,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,585.86 : 1,276,061.85 = 424,350.90 : x
  2. Step 2: Convert to fraction form
    850,585.86/1,276,061.85 = 424,350.90/x
  3. Step 3: Cross multiply
    850,585.86x = 1,276,061.85 × 424,350.90
  4. Step 4: Simplify right side
    850,585.86x = 541,497,994,503.17
  5. Step 5: Solve for x
    x = 541,497,994,503.17/850,585.86
  6. Step 6: Final answer
    x = 636,617.68

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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.