Home / 708,449.22-1,062,279.54-287,233.02

Finding the Fourth Proportional to 708,449.22, 1,062,279.54 and 287,233.02

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Solution

The fourth proportional to 708,449.22, 1,062,279.54 and 287,233.02 is: 430,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,449.22 : 1,062,279.54 = 287,233.02 : x
  2. Step 2: Convert to fraction form
    708,449.22/1,062,279.54 = 287,233.02/x
  3. Step 3: Cross multiply
    708,449.22x = 1,062,279.54 × 287,233.02
  4. Step 4: Simplify right side
    708,449.22x = 305,121,760,358.41
  5. Step 5: Solve for x
    x = 305,121,760,358.41/708,449.22
  6. Step 6: Final answer
    x = 430,689.67

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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.