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Finding the Fourth Proportional to 662,480.89, 914,223.77 and 360,674.89

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Solution

The fourth proportional to 662,480.89, 914,223.77 and 360,674.89 is: 497,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,480.89 : 914,223.77 = 360,674.89 : x
  2. Step 2: Convert to fraction form
    662,480.89/914,223.77 = 360,674.89/x
  3. Step 3: Cross multiply
    662,480.89x = 914,223.77 × 360,674.89
  4. Step 4: Simplify right side
    662,480.89x = 329,737,557,680.14
  5. Step 5: Solve for x
    x = 329,737,557,680.14/662,480.89
  6. Step 6: Final answer
    x = 497,731.43

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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.