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Finding the Fourth Proportional to 662,761.69, 914,611.14 and 360,955.69

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Solution

The fourth proportional to 662,761.69, 914,611.14 and 360,955.69 is: 498,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,761.69 : 914,611.14 = 360,955.69 : x
  2. Step 2: Convert to fraction form
    662,761.69/914,611.14 = 360,955.69/x
  3. Step 3: Cross multiply
    662,761.69x = 914,611.14 × 360,955.69
  4. Step 4: Simplify right side
    662,761.69x = 330,134,092,833.86
  5. Step 5: Solve for x
    x = 330,134,092,833.86/662,761.69
  6. Step 6: Final answer
    x = 498,118.85

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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.