Home / 544,062.10-815,296.35-487,902.10

Finding the Fourth Proportional to 544,062.10, 815,296.35 and 487,902.10

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Solution

The fourth proportional to 544,062.10, 815,296.35 and 487,902.10 is: 731,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,062.10 : 815,296.35 = 487,902.10 : x
  2. Step 2: Convert to fraction form
    544,062.10/815,296.35 = 487,902.10/x
  3. Step 3: Cross multiply
    544,062.10x = 815,296.35 × 487,902.10
  4. Step 4: Simplify right side
    544,062.10x = 397,784,801,287.34
  5. Step 5: Solve for x
    x = 397,784,801,287.34/544,062.10
  6. Step 6: Final answer
    x = 731,138.60

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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.