Home / 888,912.78-1,226,702.86-481,014.60

Finding the Fourth Proportional to 888,912.78, 1,226,702.86 and 481,014.60

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Solution

The fourth proportional to 888,912.78, 1,226,702.86 and 481,014.60 is: 663,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,912.78 : 1,226,702.86 = 481,014.60 : x
  2. Step 2: Convert to fraction form
    888,912.78/1,226,702.86 = 481,014.60/x
  3. Step 3: Cross multiply
    888,912.78x = 1,226,702.86 × 481,014.60
  4. Step 4: Simplify right side
    888,912.78x = 590,061,985,521.76
  5. Step 5: Solve for x
    x = 590,061,985,521.76/888,912.78
  6. Step 6: Final answer
    x = 663,801.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.