Home / 652,688.06-979,232.54-311,566.78

Finding the Fourth Proportional to 652,688.06, 979,232.54 and 311,566.78

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Solution

The fourth proportional to 652,688.06, 979,232.54 and 311,566.78 is: 467,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,688.06 : 979,232.54 = 311,566.78 : x
  2. Step 2: Convert to fraction form
    652,688.06/979,232.54 = 311,566.78/x
  3. Step 3: Cross multiply
    652,688.06x = 979,232.54 × 311,566.78
  4. Step 4: Simplify right side
    652,688.06x = 305,096,322,905.03
  5. Step 5: Solve for x
    x = 305,096,322,905.03/652,688.06
  6. Step 6: Final answer
    x = 467,445.85

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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.