Home / 898,150.80-1,347,226.20-721,003.80

Finding the Fourth Proportional to 898,150.80, 1,347,226.20 and 721,003.80

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Solution

The fourth proportional to 898,150.80, 1,347,226.20 and 721,003.80 is: 1,081,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,150.80 : 1,347,226.20 = 721,003.80 : x
  2. Step 2: Convert to fraction form
    898,150.80/1,347,226.20 = 721,003.80/x
  3. Step 3: Cross multiply
    898,150.80x = 1,347,226.20 × 721,003.80
  4. Step 4: Simplify right side
    898,150.80x = 971,355,209,659.56
  5. Step 5: Solve for x
    x = 971,355,209,659.56/898,150.80
  6. Step 6: Final answer
    x = 1,081,505.70

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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.