Home / 706,310.82-1,060,132.05-257,465.52

Finding the Fourth Proportional to 706,310.82, 1,060,132.05 and 257,465.52

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Solution

The fourth proportional to 706,310.82, 1,060,132.05 and 257,465.52 is: 386,440.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,310.82 : 1,060,132.05 = 257,465.52 : x
  2. Step 2: Convert to fraction form
    706,310.82/1,060,132.05 = 257,465.52/x
  3. Step 3: Cross multiply
    706,310.82x = 1,060,132.05 × 257,465.52
  4. Step 4: Simplify right side
    706,310.82x = 272,947,449,521.92
  5. Step 5: Solve for x
    x = 272,947,449,521.92/706,310.82
  6. Step 6: Final answer
    x = 386,440.99

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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.