Home / 780,671.34-1,171,010.68-240,920.98

Finding the Fourth Proportional to 780,671.34, 1,171,010.68 and 240,920.98

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Solution

The fourth proportional to 780,671.34, 1,171,010.68 and 240,920.98 is: 361,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,671.34 : 1,171,010.68 = 240,920.98 : x
  2. Step 2: Convert to fraction form
    780,671.34/1,171,010.68 = 240,920.98/x
  3. Step 3: Cross multiply
    780,671.34x = 1,171,010.68 × 240,920.98
  4. Step 4: Simplify right side
    780,671.34x = 282,121,040,616.07
  5. Step 5: Solve for x
    x = 282,121,040,616.07/780,671.34
  6. Step 6: Final answer
    x = 361,382.60

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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.