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Finding the Fourth Proportional to 662,040.25, 913,630.13 and 360,234.25

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Solution

The fourth proportional to 662,040.25, 913,630.13 and 360,234.25 is: 497,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,040.25 : 913,630.13 = 360,234.25 : x
  2. Step 2: Convert to fraction form
    662,040.25/913,630.13 = 360,234.25/x
  3. Step 3: Cross multiply
    662,040.25x = 913,630.13 × 360,234.25
  4. Step 4: Simplify right side
    662,040.25x = 329,120,862,856.78
  5. Step 5: Solve for x
    x = 329,120,862,856.78/662,040.25
  6. Step 6: Final answer
    x = 497,131.20

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1.5x scale

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.