Home / 876,686.10-1,315,029.15-404,294.10

Finding the Fourth Proportional to 876,686.10, 1,315,029.15 and 404,294.10

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Solution

The fourth proportional to 876,686.10, 1,315,029.15 and 404,294.10 is: 606,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,686.10 : 1,315,029.15 = 404,294.10 : x
  2. Step 2: Convert to fraction form
    876,686.10/1,315,029.15 = 404,294.10/x
  3. Step 3: Cross multiply
    876,686.10x = 1,315,029.15 × 404,294.10
  4. Step 4: Simplify right side
    876,686.10x = 531,658,526,673.02
  5. Step 5: Solve for x
    x = 531,658,526,673.02/876,686.10
  6. Step 6: Final answer
    x = 606,441.15

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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.