Home / 627,269.20-939,985.20-311,094.64

Finding the Fourth Proportional to 627,269.20, 939,985.20 and 311,094.64

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Solution

The fourth proportional to 627,269.20, 939,985.20 and 311,094.64 is: 466,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,269.20 : 939,985.20 = 311,094.64 : x
  2. Step 2: Convert to fraction form
    627,269.20/939,985.20 = 311,094.64/x
  3. Step 3: Cross multiply
    627,269.20x = 939,985.20 × 311,094.64
  4. Step 4: Simplify right side
    627,269.20x = 292,424,357,399.33
  5. Step 5: Solve for x
    x = 292,424,357,399.33/627,269.20
  6. Step 6: Final answer
    x = 466,186.38

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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.