Home / 708,148.87-1,062,752.28-408,229.15

Finding the Fourth Proportional to 708,148.87, 1,062,752.28 and 408,229.15

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Solution

The fourth proportional to 708,148.87, 1,062,752.28 and 408,229.15 is: 612,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,148.87 : 1,062,752.28 = 408,229.15 : x
  2. Step 2: Convert to fraction form
    708,148.87/1,062,752.28 = 408,229.15/x
  3. Step 3: Cross multiply
    708,148.87x = 1,062,752.28 × 408,229.15
  4. Step 4: Simplify right side
    708,148.87x = 433,846,459,924.96
  5. Step 5: Solve for x
    x = 433,846,459,924.96/708,148.87
  6. Step 6: Final answer
    x = 612,648.67

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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.