Home / 947,247.55-1,420,967.00-307,524.53

Finding the Fourth Proportional to 947,247.55, 1,420,967.00 and 307,524.53

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Solution

The fourth proportional to 947,247.55, 1,420,967.00 and 307,524.53 is: 461,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,247.55 : 1,420,967.00 = 307,524.53 : x
  2. Step 2: Convert to fraction form
    947,247.55/1,420,967.00 = 307,524.53/x
  3. Step 3: Cross multiply
    947,247.55x = 1,420,967.00 × 307,524.53
  4. Step 4: Simplify right side
    947,247.55x = 436,982,213,141.74
  5. Step 5: Solve for x
    x = 436,982,213,141.74/947,247.55
  6. Step 6: Final answer
    x = 461,317.86

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1.5x scale

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.