Home / 787,429-1,181,331.23-254,950.19

Finding the Fourth Proportional to 787,429, 1,181,331.23 and 254,950.19

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Solution

The fourth proportional to 787,429, 1,181,331.23 and 254,950.19 is: 382,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,429 : 1,181,331.23 = 254,950.19 : x
  2. Step 2: Convert to fraction form
    787,429/1,181,331.23 = 254,950.19/x
  3. Step 3: Cross multiply
    787,429x = 1,181,331.23 × 254,950.19
  4. Step 4: Simplify right side
    787,429x = 301,180,621,541.43
  5. Step 5: Solve for x
    x = 301,180,621,541.43/787,429
  6. Step 6: Final answer
    x = 382,486.07

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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.