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Finding the Fourth Proportional to 670,463, 1,006,326.45 and 244,410.79

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Solution

The fourth proportional to 670,463, 1,006,326.45 and 244,410.79 is: 366,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,463 : 1,006,326.45 = 244,410.79 : x
  2. Step 2: Convert to fraction form
    670,463/1,006,326.45 = 244,410.79/x
  3. Step 3: Cross multiply
    670,463x = 1,006,326.45 × 244,410.79
  4. Step 4: Simplify right side
    670,463x = 245,957,042,642.40
  5. Step 5: Solve for x
    x = 245,957,042,642.40/670,463
  6. Step 6: Final answer
    x = 366,846.56

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1.5x scale

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.