Home / 747,104.28-1,120,664.10-214,623.96

Finding the Fourth Proportional to 747,104.28, 1,120,664.10 and 214,623.96

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Solution

The fourth proportional to 747,104.28, 1,120,664.10 and 214,623.96 is: 321,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,104.28 : 1,120,664.10 = 214,623.96 : x
  2. Step 2: Convert to fraction form
    747,104.28/1,120,664.10 = 214,623.96/x
  3. Step 3: Cross multiply
    747,104.28x = 1,120,664.10 × 214,623.96
  4. Step 4: Simplify right side
    747,104.28x = 240,521,366,971.84
  5. Step 5: Solve for x
    x = 240,521,366,971.84/747,104.28
  6. Step 6: Final answer
    x = 321,938.15

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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.