Home / 675,780.72-1,013,521.32-202,403.76

Finding the Fourth Proportional to 675,780.72, 1,013,521.32 and 202,403.76

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Solution

The fourth proportional to 675,780.72, 1,013,521.32 and 202,403.76 is: 303,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,780.72 : 1,013,521.32 = 202,403.76 : x
  2. Step 2: Convert to fraction form
    675,780.72/1,013,521.32 = 202,403.76/x
  3. Step 3: Cross multiply
    675,780.72x = 1,013,521.32 × 202,403.76
  4. Step 4: Simplify right side
    675,780.72x = 205,140,526,008.16
  5. Step 5: Solve for x
    x = 205,140,526,008.16/675,780.72
  6. Step 6: Final answer
    x = 303,560.79

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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.