Home / 551,371.20-827,056.80-528,043.20

Finding the Fourth Proportional to 551,371.20, 827,056.80 and 528,043.20

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Solution

The fourth proportional to 551,371.20, 827,056.80 and 528,043.20 is: 792,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,371.20 : 827,056.80 = 528,043.20 : x
  2. Step 2: Convert to fraction form
    551,371.20/827,056.80 = 528,043.20/x
  3. Step 3: Cross multiply
    551,371.20x = 827,056.80 × 528,043.20
  4. Step 4: Simplify right side
    551,371.20x = 436,721,719,253.76
  5. Step 5: Solve for x
    x = 436,721,719,253.76/551,371.20
  6. Step 6: Final answer
    x = 792,064.80

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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.