Home / 535,851.23-739,138.32-317,905.58

Finding the Fourth Proportional to 535,851.23, 739,138.32 and 317,905.58

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Solution

The fourth proportional to 535,851.23, 739,138.32 and 317,905.58 is: 438,510.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,851.23 : 739,138.32 = 317,905.58 : x
  2. Step 2: Convert to fraction form
    535,851.23/739,138.32 = 317,905.58/x
  3. Step 3: Cross multiply
    535,851.23x = 739,138.32 × 317,905.58
  4. Step 4: Simplify right side
    535,851.23x = 234,976,198,167.67
  5. Step 5: Solve for x
    x = 234,976,198,167.67/535,851.23
  6. Step 6: Final answer
    x = 438,510.14

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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.