Home / 528,423.20-792,634.80-292,227.20

Finding the Fourth Proportional to 528,423.20, 792,634.80 and 292,227.20

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Solution

The fourth proportional to 528,423.20, 792,634.80 and 292,227.20 is: 438,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,423.20 : 792,634.80 = 292,227.20 : x
  2. Step 2: Convert to fraction form
    528,423.20/792,634.80 = 292,227.20/x
  3. Step 3: Cross multiply
    528,423.20x = 792,634.80 × 292,227.20
  4. Step 4: Simplify right side
    528,423.20x = 231,629,448,226.56
  5. Step 5: Solve for x
    x = 231,629,448,226.56/528,423.20
  6. Step 6: Final answer
    x = 438,340.80

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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.