Home / 551,339.20-827,008.80-528,011.20

Finding the Fourth Proportional to 551,339.20, 827,008.80 and 528,011.20

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Solution

The fourth proportional to 551,339.20, 827,008.80 and 528,011.20 is: 792,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,339.20 : 827,008.80 = 528,011.20 : x
  2. Step 2: Convert to fraction form
    551,339.20/827,008.80 = 528,011.20/x
  3. Step 3: Cross multiply
    551,339.20x = 827,008.80 × 528,011.20
  4. Step 4: Simplify right side
    551,339.20x = 436,669,908,898.56
  5. Step 5: Solve for x
    x = 436,669,908,898.56/551,339.20
  6. Step 6: Final answer
    x = 792,016.80

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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.