Home / 649,005.75-895,609.08-358,612.70

Finding the Fourth Proportional to 649,005.75, 895,609.08 and 358,612.70

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Solution

The fourth proportional to 649,005.75, 895,609.08 and 358,612.70 is: 494,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,005.75 : 895,609.08 = 358,612.70 : x
  2. Step 2: Convert to fraction form
    649,005.75/895,609.08 = 358,612.70/x
  3. Step 3: Cross multiply
    649,005.75x = 895,609.08 × 358,612.70
  4. Step 4: Simplify right side
    649,005.75x = 321,176,787,985.30
  5. Step 5: Solve for x
    x = 321,176,787,985.30/649,005.75
  6. Step 6: Final answer
    x = 494,875.11

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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.