Home / 649,044.29-895,688.42-358,654.65

Finding the Fourth Proportional to 649,044.29, 895,688.42 and 358,654.65

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Solution

The fourth proportional to 649,044.29, 895,688.42 and 358,654.65 is: 494,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,044.29 : 895,688.42 = 358,654.65 : x
  2. Step 2: Convert to fraction form
    649,044.29/895,688.42 = 358,654.65/x
  3. Step 3: Cross multiply
    649,044.29x = 895,688.42 × 358,654.65
  4. Step 4: Simplify right side
    649,044.29x = 321,242,814,990.88
  5. Step 5: Solve for x
    x = 321,242,814,990.88/649,044.29
  6. Step 6: Final answer
    x = 494,947.45

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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.