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Finding the Fourth Proportional to 577,009.73, 865,514.60 and 549,453.53

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Solution

The fourth proportional to 577,009.73, 865,514.60 and 549,453.53 is: 824,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,009.73 : 865,514.60 = 549,453.53 : x
  2. Step 2: Convert to fraction form
    577,009.73/865,514.60 = 549,453.53/x
  3. Step 3: Cross multiply
    577,009.73x = 865,514.60 × 549,453.53
  4. Step 4: Simplify right side
    577,009.73x = 475,560,045,161.70
  5. Step 5: Solve for x
    x = 475,560,045,161.70/577,009.73
  6. Step 6: Final answer
    x = 824,180.29

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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.