Home / 551,399.20-827,098.80-528,071.20

Finding the Fourth Proportional to 551,399.20, 827,098.80 and 528,071.20

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Solution

The fourth proportional to 551,399.20, 827,098.80 and 528,071.20 is: 792,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,399.20 : 827,098.80 = 528,071.20 : x
  2. Step 2: Convert to fraction form
    551,399.20/827,098.80 = 528,071.20/x
  3. Step 3: Cross multiply
    551,399.20x = 827,098.80 × 528,071.20
  4. Step 4: Simplify right side
    551,399.20x = 436,767,055,834.56
  5. Step 5: Solve for x
    x = 436,767,055,834.56/551,399.20
  6. Step 6: Final answer
    x = 792,106.80

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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.