Home / 921,202.34-1,380,867.38-381,752.11

Finding the Fourth Proportional to 921,202.34, 1,380,867.38 and 381,752.11

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Solution

The fourth proportional to 921,202.34, 1,380,867.38 and 381,752.11 is: 572,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,202.34 : 1,380,867.38 = 381,752.11 : x
  2. Step 2: Convert to fraction form
    921,202.34/1,380,867.38 = 381,752.11/x
  3. Step 3: Cross multiply
    921,202.34x = 1,380,867.38 × 381,752.11
  4. Step 4: Simplify right side
    921,202.34x = 527,149,035,945.17
  5. Step 5: Solve for x
    x = 527,149,035,945.17/921,202.34
  6. Step 6: Final answer
    x = 572,240.23

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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.