Home / 703,726.40-1,055,589.60-649,659.20

Finding the Fourth Proportional to 703,726.40, 1,055,589.60 and 649,659.20

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Solution

The fourth proportional to 703,726.40, 1,055,589.60 and 649,659.20 is: 974,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,726.40 : 1,055,589.60 = 649,659.20 : x
  2. Step 2: Convert to fraction form
    703,726.40/1,055,589.60 = 649,659.20/x
  3. Step 3: Cross multiply
    703,726.40x = 1,055,589.60 × 649,659.20
  4. Step 4: Simplify right side
    703,726.40x = 685,773,495,064.32
  5. Step 5: Solve for x
    x = 685,773,495,064.32/703,726.40
  6. Step 6: Final answer
    x = 974,488.80

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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.