Home / 829,217.04-1,144,614.96-489,686.64

Finding the Fourth Proportional to 829,217.04, 1,144,614.96 and 489,686.64

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Solution

The fourth proportional to 829,217.04, 1,144,614.96 and 489,686.64 is: 675,942.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,217.04 : 1,144,614.96 = 489,686.64 : x
  2. Step 2: Convert to fraction form
    829,217.04/1,144,614.96 = 489,686.64/x
  3. Step 3: Cross multiply
    829,217.04x = 1,144,614.96 × 489,686.64
  4. Step 4: Simplify right side
    829,217.04x = 560,502,653,856.13
  5. Step 5: Solve for x
    x = 560,502,653,856.13/829,217.04
  6. Step 6: Final answer
    x = 675,942.04

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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.