Home / 726,867.60-1,090,301.40-659,216.40

Finding the Fourth Proportional to 726,867.60, 1,090,301.40 and 659,216.40

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Solution

The fourth proportional to 726,867.60, 1,090,301.40 and 659,216.40 is: 988,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,867.60 : 1,090,301.40 = 659,216.40 : x
  2. Step 2: Convert to fraction form
    726,867.60/1,090,301.40 = 659,216.40/x
  3. Step 3: Cross multiply
    726,867.60x = 1,090,301.40 × 659,216.40
  4. Step 4: Simplify right side
    726,867.60x = 718,744,563,822.96
  5. Step 5: Solve for x
    x = 718,744,563,822.96/726,867.60
  6. Step 6: Final answer
    x = 988,824.60

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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.