Home / 732,729.20-1,099,093.80-312,047.60

Finding the Fourth Proportional to 732,729.20, 1,099,093.80 and 312,047.60

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Solution

The fourth proportional to 732,729.20, 1,099,093.80 and 312,047.60 is: 468,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,729.20 : 1,099,093.80 = 312,047.60 : x
  2. Step 2: Convert to fraction form
    732,729.20/1,099,093.80 = 312,047.60/x
  3. Step 3: Cross multiply
    732,729.20x = 1,099,093.80 × 312,047.60
  4. Step 4: Simplify right side
    732,729.20x = 342,969,582,464.88
  5. Step 5: Solve for x
    x = 342,969,582,464.88/732,729.20
  6. Step 6: Final answer
    x = 468,071.40

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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.