Home / 795,638.93-1,098,005.42-489,891.71

Finding the Fourth Proportional to 795,638.93, 1,098,005.42 and 489,891.71

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Solution

The fourth proportional to 795,638.93, 1,098,005.42 and 489,891.71 is: 676,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,638.93 : 1,098,005.42 = 489,891.71 : x
  2. Step 2: Convert to fraction form
    795,638.93/1,098,005.42 = 489,891.71/x
  3. Step 3: Cross multiply
    795,638.93x = 1,098,005.42 × 489,891.71
  4. Step 4: Simplify right side
    795,638.93x = 537,903,744,853.58
  5. Step 5: Solve for x
    x = 537,903,744,853.58/795,638.93
  6. Step 6: Final answer
    x = 676,065.14

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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.