Home / 546,987.20-819,824.70-280,610.60

Finding the Fourth Proportional to 546,987.20, 819,824.70 and 280,610.60

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Solution

The fourth proportional to 546,987.20, 819,824.70 and 280,610.60 is: 420,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,987.20 : 819,824.70 = 280,610.60 : x
  2. Step 2: Convert to fraction form
    546,987.20/819,824.70 = 280,610.60/x
  3. Step 3: Cross multiply
    546,987.20x = 819,824.70 × 280,610.60
  4. Step 4: Simplify right side
    546,987.20x = 230,051,500,961.82
  5. Step 5: Solve for x
    x = 230,051,500,961.82/546,987.20
  6. Step 6: Final answer
    x = 420,579.31

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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.