Home / 656,421.30-984,664.35-341,493.30

Finding the Fourth Proportional to 656,421.30, 984,664.35 and 341,493.30

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Solution

The fourth proportional to 656,421.30, 984,664.35 and 341,493.30 is: 512,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,421.30 : 984,664.35 = 341,493.30 : x
  2. Step 2: Convert to fraction form
    656,421.30/984,664.35 = 341,493.30/x
  3. Step 3: Cross multiply
    656,421.30x = 984,664.35 × 341,493.30
  4. Step 4: Simplify right side
    656,421.30x = 336,256,278,273.86
  5. Step 5: Solve for x
    x = 336,256,278,273.86/656,421.30
  6. Step 6: Final answer
    x = 512,256.81

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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.