Home / 680,521.97-1,021,492.32-301,708.73

Finding the Fourth Proportional to 680,521.97, 1,021,492.32 and 301,708.73

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Solution

The fourth proportional to 680,521.97, 1,021,492.32 and 301,708.73 is: 452,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,521.97 : 1,021,492.32 = 301,708.73 : x
  2. Step 2: Convert to fraction form
    680,521.97/1,021,492.32 = 301,708.73/x
  3. Step 3: Cross multiply
    680,521.97x = 1,021,492.32 × 301,708.73
  4. Step 4: Simplify right side
    680,521.97x = 308,193,143,955.95
  5. Step 5: Solve for x
    x = 308,193,143,955.95/680,521.97
  6. Step 6: Final answer
    x = 452,877.58

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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.