Home / 708,508.71-1,063,174.59-298,147.77

Finding the Fourth Proportional to 708,508.71, 1,063,174.59 and 298,147.77

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Solution

The fourth proportional to 708,508.71, 1,063,174.59 and 298,147.77 is: 447,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,508.71 : 1,063,174.59 = 298,147.77 : x
  2. Step 2: Convert to fraction form
    708,508.71/1,063,174.59 = 298,147.77/x
  3. Step 3: Cross multiply
    708,508.71x = 1,063,174.59 × 298,147.77
  4. Step 4: Simplify right side
    708,508.71x = 316,983,133,129.16
  5. Step 5: Solve for x
    x = 316,983,133,129.16/708,508.71
  6. Step 6: Final answer
    x = 447,394.83

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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.