Home / 710,505.20-1,065,604.20-311,145.20

Finding the Fourth Proportional to 710,505.20, 1,065,604.20 and 311,145.20

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Solution

The fourth proportional to 710,505.20, 1,065,604.20 and 311,145.20 is: 466,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,505.20 : 1,065,604.20 = 311,145.20 : x
  2. Step 2: Convert to fraction form
    710,505.20/1,065,604.20 = 311,145.20/x
  3. Step 3: Cross multiply
    710,505.20x = 1,065,604.20 × 311,145.20
  4. Step 4: Simplify right side
    710,505.20x = 331,557,631,929.84
  5. Step 5: Solve for x
    x = 331,557,631,929.84/710,505.20
  6. Step 6: Final answer
    x = 466,650.54

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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.