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Finding the Fourth Proportional to 649,054.90, 895,691.52 and 362,572.48

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Solution

The fourth proportional to 649,054.90, 895,691.52 and 362,572.48 is: 500,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,054.90 : 895,691.52 = 362,572.48 : x
  2. Step 2: Convert to fraction form
    649,054.90/895,691.52 = 362,572.48/x
  3. Step 3: Cross multiply
    649,054.90x = 895,691.52 × 362,572.48
  4. Step 4: Simplify right side
    649,054.90x = 324,753,095,721.37
  5. Step 5: Solve for x
    x = 324,753,095,721.37/649,054.90
  6. Step 6: Final answer
    x = 500,347.65

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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.