Home / 708,999.77-1,063,548.12-203,521.88

Finding the Fourth Proportional to 708,999.77, 1,063,548.12 and 203,521.88

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Solution

The fourth proportional to 708,999.77, 1,063,548.12 and 203,521.88 is: 305,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,999.77 : 1,063,548.12 = 203,521.88 : x
  2. Step 2: Convert to fraction form
    708,999.77/1,063,548.12 = 203,521.88/x
  3. Step 3: Cross multiply
    708,999.77x = 1,063,548.12 × 203,521.88
  4. Step 4: Simplify right side
    708,999.77x = 216,455,306,517.52
  5. Step 5: Solve for x
    x = 216,455,306,517.52/708,999.77
  6. Step 6: Final answer
    x = 305,296.72

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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.