Home / 925,674.80-1,388,512.20-326,631.20

Finding the Fourth Proportional to 925,674.80, 1,388,512.20 and 326,631.20

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Solution

The fourth proportional to 925,674.80, 1,388,512.20 and 326,631.20 is: 489,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,674.80 : 1,388,512.20 = 326,631.20 : x
  2. Step 2: Convert to fraction form
    925,674.80/1,388,512.20 = 326,631.20/x
  3. Step 3: Cross multiply
    925,674.80x = 1,388,512.20 × 326,631.20
  4. Step 4: Simplify right side
    925,674.80x = 453,531,406,100.64
  5. Step 5: Solve for x
    x = 453,531,406,100.64/925,674.80
  6. Step 6: Final answer
    x = 489,946.80

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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.