Home / 546,852.20-819,663.90-280,509.80

Finding the Fourth Proportional to 546,852.20, 819,663.90 and 280,509.80

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Solution

The fourth proportional to 546,852.20, 819,663.90 and 280,509.80 is: 420,449.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,852.20 : 819,663.90 = 280,509.80 : x
  2. Step 2: Convert to fraction form
    546,852.20/819,663.90 = 280,509.80/x
  3. Step 3: Cross multiply
    546,852.20x = 819,663.90 × 280,509.80
  4. Step 4: Simplify right side
    546,852.20x = 229,923,756,656.22
  5. Step 5: Solve for x
    x = 229,923,756,656.22/546,852.20
  6. Step 6: Final answer
    x = 420,449.54

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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.