Home / 662,266.46-913,865.25-371,821.30

Finding the Fourth Proportional to 662,266.46, 913,865.25 and 371,821.30

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Solution

The fourth proportional to 662,266.46, 913,865.25 and 371,821.30 is: 513,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,266.46 : 913,865.25 = 371,821.30 : x
  2. Step 2: Convert to fraction form
    662,266.46/913,865.25 = 371,821.30/x
  3. Step 3: Cross multiply
    662,266.46x = 913,865.25 × 371,821.30
  4. Step 4: Simplify right side
    662,266.46x = 339,794,560,332.13
  5. Step 5: Solve for x
    x = 339,794,560,332.13/662,266.46
  6. Step 6: Final answer
    x = 513,078.32

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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.