Home / 680,508.95-1,020,132.42-301,227.45

Finding the Fourth Proportional to 680,508.95, 1,020,132.42 and 301,227.45

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Solution

The fourth proportional to 680,508.95, 1,020,132.42 and 301,227.45 is: 451,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,508.95 : 1,020,132.42 = 301,227.45 : x
  2. Step 2: Convert to fraction form
    680,508.95/1,020,132.42 = 301,227.45/x
  3. Step 3: Cross multiply
    680,508.95x = 1,020,132.42 × 301,227.45
  4. Step 4: Simplify right side
    680,508.95x = 307,291,887,538.93
  5. Step 5: Solve for x
    x = 307,291,887,538.93/680,508.95
  6. Step 6: Final answer
    x = 451,561.86

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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.