Home / 837,112.72-1,155,255.05-474,543.61

Finding the Fourth Proportional to 837,112.72, 1,155,255.05 and 474,543.61

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Solution

The fourth proportional to 837,112.72, 1,155,255.05 and 474,543.61 is: 654,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,112.72 : 1,155,255.05 = 474,543.61 : x
  2. Step 2: Convert to fraction form
    837,112.72/1,155,255.05 = 474,543.61/x
  3. Step 3: Cross multiply
    837,112.72x = 1,155,255.05 × 474,543.61
  4. Step 4: Simplify right side
    837,112.72x = 548,218,901,897.73
  5. Step 5: Solve for x
    x = 548,218,901,897.73/837,112.72
  6. Step 6: Final answer
    x = 654,892.57

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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.