Home / 754,327.28-1,131,490.98-221,852.86

Finding the Fourth Proportional to 754,327.28, 1,131,490.98 and 221,852.86

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Solution

The fourth proportional to 754,327.28, 1,131,490.98 and 221,852.86 is: 332,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,327.28 : 1,131,490.98 = 221,852.86 : x
  2. Step 2: Convert to fraction form
    754,327.28/1,131,490.98 = 221,852.86/x
  3. Step 3: Cross multiply
    754,327.28x = 1,131,490.98 × 221,852.86
  4. Step 4: Simplify right side
    754,327.28x = 251,024,509,977.20
  5. Step 5: Solve for x
    x = 251,024,509,977.20/754,327.28
  6. Step 6: Final answer
    x = 332,779.31

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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.