Home / 837,275.70-1,155,470.86-479,648.82

Finding the Fourth Proportional to 837,275.70, 1,155,470.86 and 479,648.82

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Solution

The fourth proportional to 837,275.70, 1,155,470.86 and 479,648.82 is: 661,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,275.70 : 1,155,470.86 = 479,648.82 : x
  2. Step 2: Convert to fraction form
    837,275.70/1,155,470.86 = 479,648.82/x
  3. Step 3: Cross multiply
    837,275.70x = 1,155,470.86 × 479,648.82
  4. Step 4: Simplify right side
    837,275.70x = 554,220,234,543.39
  5. Step 5: Solve for x
    x = 554,220,234,543.39/837,275.70
  6. Step 6: Final answer
    x = 661,932.78

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1.5x scale

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.