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Finding the Fourth Proportional to 652,550.25, 900,519.62 and 397,954.29

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Solution

The fourth proportional to 652,550.25, 900,519.62 and 397,954.29 is: 549,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,550.25 : 900,519.62 = 397,954.29 : x
  2. Step 2: Convert to fraction form
    652,550.25/900,519.62 = 397,954.29/x
  3. Step 3: Cross multiply
    652,550.25x = 900,519.62 × 397,954.29
  4. Step 4: Simplify right side
    652,550.25x = 358,365,644,018.40
  5. Step 5: Solve for x
    x = 358,365,644,018.40/652,550.25
  6. Step 6: Final answer
    x = 549,177.08

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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.