Home / 330,824.80-496,237.20-315,618.40

Finding the Fourth Proportional to 330,824.80, 496,237.20 and 315,618.40

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Solution

The fourth proportional to 330,824.80, 496,237.20 and 315,618.40 is: 473,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,824.80 : 496,237.20 = 315,618.40 : x
  2. Step 2: Convert to fraction form
    330,824.80/496,237.20 = 315,618.40/x
  3. Step 3: Cross multiply
    330,824.80x = 496,237.20 × 315,618.40
  4. Step 4: Simplify right side
    330,824.80x = 156,621,591,084.48
  5. Step 5: Solve for x
    x = 156,621,591,084.48/330,824.80
  6. Step 6: Final answer
    x = 473,427.60

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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.