Home / 485,091.41-727,799.06-215,182.32

Finding the Fourth Proportional to 485,091.41, 727,799.06 and 215,182.32

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Solution

The fourth proportional to 485,091.41, 727,799.06 and 215,182.32 is: 322,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,091.41 : 727,799.06 = 215,182.32 : x
  2. Step 2: Convert to fraction form
    485,091.41/727,799.06 = 215,182.32/x
  3. Step 3: Cross multiply
    485,091.41x = 727,799.06 × 215,182.32
  4. Step 4: Simplify right side
    485,091.41x = 156,609,485,509.71
  5. Step 5: Solve for x
    x = 156,609,485,509.71/485,091.41
  6. Step 6: Final answer
    x = 322,845.31

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1.5x scale

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.