Home / 747,310.15-1,121,152.97-214,832.13

Finding the Fourth Proportional to 747,310.15, 1,121,152.97 and 214,832.13

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Solution

The fourth proportional to 747,310.15, 1,121,152.97 and 214,832.13 is: 322,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,310.15 : 1,121,152.97 = 214,832.13 : x
  2. Step 2: Convert to fraction form
    747,310.15/1,121,152.97 = 214,832.13/x
  3. Step 3: Cross multiply
    747,310.15x = 1,121,152.97 × 214,832.13
  4. Step 4: Simplify right side
    747,310.15x = 240,859,680,600.93
  5. Step 5: Solve for x
    x = 240,859,680,600.93/747,310.15
  6. Step 6: Final answer
    x = 322,302.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.