Home / 777,744.70-1,166,617.05-245,428.90

Finding the Fourth Proportional to 777,744.70, 1,166,617.05 and 245,428.90

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Solution

The fourth proportional to 777,744.70, 1,166,617.05 and 245,428.90 is: 368,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,744.70 : 1,166,617.05 = 245,428.90 : x
  2. Step 2: Convert to fraction form
    777,744.70/1,166,617.05 = 245,428.90/x
  3. Step 3: Cross multiply
    777,744.70x = 1,166,617.05 × 245,428.90
  4. Step 4: Simplify right side
    777,744.70x = 286,321,539,302.75
  5. Step 5: Solve for x
    x = 286,321,539,302.75/777,744.70
  6. Step 6: Final answer
    x = 368,143.35

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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.