Home / 680,572.41-1,019,735.29-395,462.62

Finding the Fourth Proportional to 680,572.41, 1,019,735.29 and 395,462.62

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Solution

The fourth proportional to 680,572.41, 1,019,735.29 and 395,462.62 is: 592,541.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,572.41 : 1,019,735.29 = 395,462.62 : x
  2. Step 2: Convert to fraction form
    680,572.41/1,019,735.29 = 395,462.62/x
  3. Step 3: Cross multiply
    680,572.41x = 1,019,735.29 × 395,462.62
  4. Step 4: Simplify right side
    680,572.41x = 403,267,189,489.86
  5. Step 5: Solve for x
    x = 403,267,189,489.86/680,572.41
  6. Step 6: Final answer
    x = 592,541.20

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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.