Home / 876,648.16-1,315,009.68-344,284.57

Finding the Fourth Proportional to 876,648.16, 1,315,009.68 and 344,284.57

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Solution

The fourth proportional to 876,648.16, 1,315,009.68 and 344,284.57 is: 516,441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,648.16 : 1,315,009.68 = 344,284.57 : x
  2. Step 2: Convert to fraction form
    876,648.16/1,315,009.68 = 344,284.57/x
  3. Step 3: Cross multiply
    876,648.16x = 1,315,009.68 × 344,284.57
  4. Step 4: Simplify right side
    876,648.16x = 452,737,542,224.64
  5. Step 5: Solve for x
    x = 452,737,542,224.64/876,648.16
  6. Step 6: Final answer
    x = 516,441.56

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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.