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Finding the Fourth Proportional to 662,434.80, 914,163.48 and 360,630.96

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Solution

The fourth proportional to 662,434.80, 914,163.48 and 360,630.96 is: 497,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,434.80 : 914,163.48 = 360,630.96 : x
  2. Step 2: Convert to fraction form
    662,434.80/914,163.48 = 360,630.96/x
  3. Step 3: Cross multiply
    662,434.80x = 914,163.48 × 360,630.96
  4. Step 4: Simplify right side
    662,434.80x = 329,675,653,389.34
  5. Step 5: Solve for x
    x = 329,675,653,389.34/662,434.80
  6. Step 6: Final answer
    x = 497,672.61

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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.