Home / 732,823.20-1,099,234.80-312,141.60

Finding the Fourth Proportional to 732,823.20, 1,099,234.80 and 312,141.60

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Solution

The fourth proportional to 732,823.20, 1,099,234.80 and 312,141.60 is: 468,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,823.20 : 1,099,234.80 = 312,141.60 : x
  2. Step 2: Convert to fraction form
    732,823.20/1,099,234.80 = 312,141.60/x
  3. Step 3: Cross multiply
    732,823.20x = 1,099,234.80 × 312,141.60
  4. Step 4: Simplify right side
    732,823.20x = 343,116,909,247.68
  5. Step 5: Solve for x
    x = 343,116,909,247.68/732,823.20
  6. Step 6: Final answer
    x = 468,212.40

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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.