Home / 777,910.40-1,165,022.40-527,235.20

Finding the Fourth Proportional to 777,910.40, 1,165,022.40 and 527,235.20

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Solution

The fourth proportional to 777,910.40, 1,165,022.40 and 527,235.20 is: 789,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,910.40 : 1,165,022.40 = 527,235.20 : x
  2. Step 2: Convert to fraction form
    777,910.40/1,165,022.40 = 527,235.20/x
  3. Step 3: Cross multiply
    777,910.40x = 1,165,022.40 × 527,235.20
  4. Step 4: Simplify right side
    777,910.40x = 614,240,818,068.48
  5. Step 5: Solve for x
    x = 614,240,818,068.48/777,910.40
  6. Step 6: Final answer
    x = 789,603.56

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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.