Home / 754,573.95-1,131,737.87-221,970.40

Finding the Fourth Proportional to 754,573.95, 1,131,737.87 and 221,970.40

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Solution

The fourth proportional to 754,573.95, 1,131,737.87 and 221,970.40 is: 332,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,573.95 : 1,131,737.87 = 221,970.40 : x
  2. Step 2: Convert to fraction form
    754,573.95/1,131,737.87 = 221,970.40/x
  3. Step 3: Cross multiply
    754,573.95x = 1,131,737.87 × 221,970.40
  4. Step 4: Simplify right side
    754,573.95x = 251,212,305,424.63
  5. Step 5: Solve for x
    x = 251,212,305,424.63/754,573.95
  6. Step 6: Final answer
    x = 332,919.40

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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.