Home / 819,464.52-1,131,042.56-532,486.40

Finding the Fourth Proportional to 819,464.52, 1,131,042.56 and 532,486.40

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Solution

The fourth proportional to 819,464.52, 1,131,042.56 and 532,486.40 is: 734,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,464.52 : 1,131,042.56 = 532,486.40 : x
  2. Step 2: Convert to fraction form
    819,464.52/1,131,042.56 = 532,486.40/x
  3. Step 3: Cross multiply
    819,464.52x = 1,131,042.56 × 532,486.40
  4. Step 4: Simplify right side
    819,464.52x = 602,264,781,021.18
  5. Step 5: Solve for x
    x = 602,264,781,021.18/819,464.52
  6. Step 6: Final answer
    x = 734,949.18

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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.