Home / 680,395.14-1,020,822.14-301,264.11

Finding the Fourth Proportional to 680,395.14, 1,020,822.14 and 301,264.11

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Solution

The fourth proportional to 680,395.14, 1,020,822.14 and 301,264.11 is: 451,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,395.14 : 1,020,822.14 = 301,264.11 : x
  2. Step 2: Convert to fraction form
    680,395.14/1,020,822.14 = 301,264.11/x
  3. Step 3: Cross multiply
    680,395.14x = 1,020,822.14 × 301,264.11
  4. Step 4: Simplify right side
    680,395.14x = 307,537,074,228.56
  5. Step 5: Solve for x
    x = 307,537,074,228.56/680,395.14
  6. Step 6: Final answer
    x = 451,997.75

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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.