Home / 762,902.20-1,145,009.40-337,093.30

Finding the Fourth Proportional to 762,902.20, 1,145,009.40 and 337,093.30

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Solution

The fourth proportional to 762,902.20, 1,145,009.40 and 337,093.30 is: 505,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,902.20 : 1,145,009.40 = 337,093.30 : x
  2. Step 2: Convert to fraction form
    762,902.20/1,145,009.40 = 337,093.30/x
  3. Step 3: Cross multiply
    762,902.20x = 1,145,009.40 × 337,093.30
  4. Step 4: Simplify right side
    762,902.20x = 385,974,997,177.02
  5. Step 5: Solve for x
    x = 385,974,997,177.02/762,902.20
  6. Step 6: Final answer
    x = 505,929.85

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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.