Home / 784,231.25-1,082,466.33-508,581.77

Finding the Fourth Proportional to 784,231.25, 1,082,466.33 and 508,581.77

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Solution

The fourth proportional to 784,231.25, 1,082,466.33 and 508,581.77 is: 701,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,231.25 : 1,082,466.33 = 508,581.77 : x
  2. Step 2: Convert to fraction form
    784,231.25/1,082,466.33 = 508,581.77/x
  3. Step 3: Cross multiply
    784,231.25x = 1,082,466.33 × 508,581.77
  4. Step 4: Simplify right side
    784,231.25x = 550,522,642,076.80
  5. Step 5: Solve for x
    x = 550,522,642,076.80/784,231.25
  6. Step 6: Final answer
    x = 701,990.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.