Home / 840,200.22-1,260,298.40-360,116.73

Finding the Fourth Proportional to 840,200.22, 1,260,298.40 and 360,116.73

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Solution

The fourth proportional to 840,200.22, 1,260,298.40 and 360,116.73 is: 540,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,200.22 : 1,260,298.40 = 360,116.73 : x
  2. Step 2: Convert to fraction form
    840,200.22/1,260,298.40 = 360,116.73/x
  3. Step 3: Cross multiply
    840,200.22x = 1,260,298.40 × 360,116.73
  4. Step 4: Simplify right side
    840,200.22x = 453,854,534,806.41
  5. Step 5: Solve for x
    x = 453,854,534,806.41/840,200.22
  6. Step 6: Final answer
    x = 540,174.26

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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.