Home / 535,711.21-739,232.61-317,882.35

Finding the Fourth Proportional to 535,711.21, 739,232.61 and 317,882.35

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Solution

The fourth proportional to 535,711.21, 739,232.61 and 317,882.35 is: 438,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,711.21 : 739,232.61 = 317,882.35 : x
  2. Step 2: Convert to fraction form
    535,711.21/739,232.61 = 317,882.35/x
  3. Step 3: Cross multiply
    535,711.21x = 739,232.61 × 317,882.35
  4. Step 4: Simplify right side
    535,711.21x = 234,988,999,263.43
  5. Step 5: Solve for x
    x = 234,988,999,263.43/535,711.21
  6. Step 6: Final answer
    x = 438,648.65

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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.