Home / 980,534.40-1,470,626.52-260,880.24

Finding the Fourth Proportional to 980,534.40, 1,470,626.52 and 260,880.24

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Solution

The fourth proportional to 980,534.40, 1,470,626.52 and 260,880.24 is: 391,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,534.40 : 1,470,626.52 = 260,880.24 : x
  2. Step 2: Convert to fraction form
    980,534.40/1,470,626.52 = 260,880.24/x
  3. Step 3: Cross multiply
    980,534.40x = 1,470,626.52 × 260,880.24
  4. Step 4: Simplify right side
    980,534.40x = 383,657,399,487.97
  5. Step 5: Solve for x
    x = 383,657,399,487.97/980,534.40
  6. Step 6: Final answer
    x = 391,273.78

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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.