Home / 876,758.58-1,315,203.75-277,766.82

Finding the Fourth Proportional to 876,758.58, 1,315,203.75 and 277,766.82

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Solution

The fourth proportional to 876,758.58, 1,315,203.75 and 277,766.82 is: 416,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,758.58 : 1,315,203.75 = 277,766.82 : x
  2. Step 2: Convert to fraction form
    876,758.58/1,315,203.75 = 277,766.82/x
  3. Step 3: Cross multiply
    876,758.58x = 1,315,203.75 × 277,766.82
  4. Step 4: Simplify right side
    876,758.58x = 365,319,963,289.58
  5. Step 5: Solve for x
    x = 365,319,963,289.58/876,758.58
  6. Step 6: Final answer
    x = 416,671.10

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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.