Home / 837,275.20-1,155,470.16-479,648.32

Finding the Fourth Proportional to 837,275.20, 1,155,470.16 and 479,648.32

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Solution

The fourth proportional to 837,275.20, 1,155,470.16 and 479,648.32 is: 661,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,275.20 : 1,155,470.16 = 479,648.32 : x
  2. Step 2: Convert to fraction form
    837,275.20/1,155,470.16 = 479,648.32/x
  3. Step 3: Cross multiply
    837,275.20x = 1,155,470.16 × 479,648.32
  4. Step 4: Simplify right side
    837,275.20x = 554,219,321,054.13
  5. Step 5: Solve for x
    x = 554,219,321,054.13/837,275.20
  6. Step 6: Final answer
    x = 661,932.09

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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.