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Finding the Fourth Proportional to 610,373.88, 842,311.81 and 338,441.69

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Solution

The fourth proportional to 610,373.88, 842,311.81 and 338,441.69 is: 467,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,373.88 : 842,311.81 = 338,441.69 : x
  2. Step 2: Convert to fraction form
    610,373.88/842,311.81 = 338,441.69/x
  3. Step 3: Cross multiply
    610,373.88x = 842,311.81 × 338,441.69
  4. Step 4: Simplify right side
    610,373.88x = 285,073,435,012.19
  5. Step 5: Solve for x
    x = 285,073,435,012.19/610,373.88
  6. Step 6: Final answer
    x = 467,047.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.