Home / 747,293.38-1,121,127.78-214,815.38

Finding the Fourth Proportional to 747,293.38, 1,121,127.78 and 214,815.38

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Solution

The fourth proportional to 747,293.38, 1,121,127.78 and 214,815.38 is: 322,277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,293.38 : 1,121,127.78 = 214,815.38 : x
  2. Step 2: Convert to fraction form
    747,293.38/1,121,127.78 = 214,815.38/x
  3. Step 3: Cross multiply
    747,293.38x = 1,121,127.78 × 214,815.38
  4. Step 4: Simplify right side
    747,293.38x = 240,835,485,289.18
  5. Step 5: Solve for x
    x = 240,835,485,289.18/747,293.38
  6. Step 6: Final answer
    x = 322,277.02

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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.