Home / 876,826.88-1,315,276.77-277,774.78

Finding the Fourth Proportional to 876,826.88, 1,315,276.77 and 277,774.78

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Solution

The fourth proportional to 876,826.88, 1,315,276.77 and 277,774.78 is: 416,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,826.88 : 1,315,276.77 = 277,774.78 : x
  2. Step 2: Convert to fraction form
    876,826.88/1,315,276.77 = 277,774.78/x
  3. Step 3: Cross multiply
    876,826.88x = 1,315,276.77 × 277,774.78
  4. Step 4: Simplify right side
    876,826.88x = 365,350,715,425.86
  5. Step 5: Solve for x
    x = 365,350,715,425.86/876,826.88
  6. Step 6: Final answer
    x = 416,673.72

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1.5x scale

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.