Home / 680,507.44-1,020,130.17-301,225.95

Finding the Fourth Proportional to 680,507.44, 1,020,130.17 and 301,225.95

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Solution

The fourth proportional to 680,507.44, 1,020,130.17 and 301,225.95 is: 451,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,507.44 : 1,020,130.17 = 301,225.95 : x
  2. Step 2: Convert to fraction form
    680,507.44/1,020,130.17 = 301,225.95/x
  3. Step 3: Cross multiply
    680,507.44x = 1,020,130.17 × 301,225.95
  4. Step 4: Simplify right side
    680,507.44x = 307,289,678,452.31
  5. Step 5: Solve for x
    x = 307,289,678,452.31/680,507.44
  6. Step 6: Final answer
    x = 451,559.62

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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.