Home / 851,932.17-1,175,626.84-489,100.66

Finding the Fourth Proportional to 851,932.17, 1,175,626.84 and 489,100.66

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Solution

The fourth proportional to 851,932.17, 1,175,626.84 and 489,100.66 is: 674,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,932.17 : 1,175,626.84 = 489,100.66 : x
  2. Step 2: Convert to fraction form
    851,932.17/1,175,626.84 = 489,100.66/x
  3. Step 3: Cross multiply
    851,932.17x = 1,175,626.84 × 489,100.66
  4. Step 4: Simplify right side
    851,932.17x = 574,999,863,357.71
  5. Step 5: Solve for x
    x = 574,999,863,357.71/851,932.17
  6. Step 6: Final answer
    x = 674,936.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.