Home / 929,165.28-1,393,452.66-631,558.32

Finding the Fourth Proportional to 929,165.28, 1,393,452.66 and 631,558.32

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Solution

The fourth proportional to 929,165.28, 1,393,452.66 and 631,558.32 is: 947,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,165.28 : 1,393,452.66 = 631,558.32 : x
  2. Step 2: Convert to fraction form
    929,165.28/1,393,452.66 = 631,558.32/x
  3. Step 3: Cross multiply
    929,165.28x = 1,393,452.66 × 631,558.32
  4. Step 4: Simplify right side
    929,165.28x = 880,046,620,949.13
  5. Step 5: Solve for x
    x = 880,046,620,949.13/929,165.28
  6. Step 6: Final answer
    x = 947,136.79

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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.