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Finding the Fourth Proportional to 577,799.25, 865,989.03 and 324,547.39

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Solution

The fourth proportional to 577,799.25, 865,989.03 and 324,547.39 is: 486,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,799.25 : 865,989.03 = 324,547.39 : x
  2. Step 2: Convert to fraction form
    577,799.25/865,989.03 = 324,547.39/x
  3. Step 3: Cross multiply
    577,799.25x = 865,989.03 × 324,547.39
  4. Step 4: Simplify right side
    577,799.25x = 281,054,479,455.13
  5. Step 5: Solve for x
    x = 281,054,479,455.13/577,799.25
  6. Step 6: Final answer
    x = 486,422.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.