Home / 680,422.14-1,020,862.62-301,291.14

Finding the Fourth Proportional to 680,422.14, 1,020,862.62 and 301,291.14

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Solution

The fourth proportional to 680,422.14, 1,020,862.62 and 301,291.14 is: 452,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,422.14 : 1,020,862.62 = 301,291.14 : x
  2. Step 2: Convert to fraction form
    680,422.14/1,020,862.62 = 301,291.14/x
  3. Step 3: Cross multiply
    680,422.14x = 1,020,862.62 × 301,291.14
  4. Step 4: Simplify right side
    680,422.14x = 307,576,862,563.19
  5. Step 5: Solve for x
    x = 307,576,862,563.19/680,422.14
  6. Step 6: Final answer
    x = 452,038.29

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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.