Home / 850,591.86-1,276,070.85-424,356.90

Finding the Fourth Proportional to 850,591.86, 1,276,070.85 and 424,356.90

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Solution

The fourth proportional to 850,591.86, 1,276,070.85 and 424,356.90 is: 636,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,591.86 : 1,276,070.85 = 424,356.90 : x
  2. Step 2: Convert to fraction form
    850,591.86/1,276,070.85 = 424,356.90/x
  3. Step 3: Cross multiply
    850,591.86x = 1,276,070.85 × 424,356.90
  4. Step 4: Simplify right side
    850,591.86x = 541,509,470,086.37
  5. Step 5: Solve for x
    x = 541,509,470,086.37/850,591.86
  6. Step 6: Final answer
    x = 636,626.68

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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.