Home / 548,835.20-823,252.80-515,657.60

Finding the Fourth Proportional to 548,835.20, 823,252.80 and 515,657.60

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Solution

The fourth proportional to 548,835.20, 823,252.80 and 515,657.60 is: 773,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,835.20 : 823,252.80 = 515,657.60 : x
  2. Step 2: Convert to fraction form
    548,835.20/823,252.80 = 515,657.60/x
  3. Step 3: Cross multiply
    548,835.20x = 823,252.80 × 515,657.60
  4. Step 4: Simplify right side
    548,835.20x = 424,516,563,041.28
  5. Step 5: Solve for x
    x = 424,516,563,041.28/548,835.20
  6. Step 6: Final answer
    x = 773,486.40

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Similar ratio
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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.