Home / 783,747-1,178,278.01-625,840.14

Finding the Fourth Proportional to 783,747, 1,178,278.01 and 625,840.14

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Solution

The fourth proportional to 783,747, 1,178,278.01 and 625,840.14 is: 940,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,747 : 1,178,278.01 = 625,840.14 : x
  2. Step 2: Convert to fraction form
    783,747/1,178,278.01 = 625,840.14/x
  3. Step 3: Cross multiply
    783,747x = 1,178,278.01 × 625,840.14
  4. Step 4: Simplify right side
    783,747x = 737,413,671,608.12
  5. Step 5: Solve for x
    x = 737,413,671,608.12/783,747
  6. Step 6: Final answer
    x = 940,882.29

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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.