Home / 489,966.60-734,172.30-323,560.20

Finding the Fourth Proportional to 489,966.60, 734,172.30 and 323,560.20

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Solution

The fourth proportional to 489,966.60, 734,172.30 and 323,560.20 is: 484,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,966.60 : 734,172.30 = 323,560.20 : x
  2. Step 2: Convert to fraction form
    489,966.60/734,172.30 = 323,560.20/x
  3. Step 3: Cross multiply
    489,966.60x = 734,172.30 × 323,560.20
  4. Step 4: Simplify right side
    489,966.60x = 237,548,936,222.46
  5. Step 5: Solve for x
    x = 237,548,936,222.46/489,966.60
  6. Step 6: Final answer
    x = 484,826.79

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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.