Home / 837,265.14-1,155,523.32-469,843.47

Finding the Fourth Proportional to 837,265.14, 1,155,523.32 and 469,843.47

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Solution

The fourth proportional to 837,265.14, 1,155,523.32 and 469,843.47 is: 648,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,265.14 : 1,155,523.32 = 469,843.47 : x
  2. Step 2: Convert to fraction form
    837,265.14/1,155,523.32 = 469,843.47/x
  3. Step 3: Cross multiply
    837,265.14x = 1,155,523.32 × 469,843.47
  4. Step 4: Simplify right side
    837,265.14x = 542,915,086,334.72
  5. Step 5: Solve for x
    x = 542,915,086,334.72/837,265.14
  6. Step 6: Final answer
    x = 648,438.66

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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.