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Finding the Fourth Proportional to 611,950.32, 844,488.72 and 340,062.48

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Solution

The fourth proportional to 611,950.32, 844,488.72 and 340,062.48 is: 469,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,950.32 : 844,488.72 = 340,062.48 : x
  2. Step 2: Convert to fraction form
    611,950.32/844,488.72 = 340,062.48/x
  3. Step 3: Cross multiply
    611,950.32x = 844,488.72 × 340,062.48
  4. Step 4: Simplify right side
    611,950.32x = 287,178,928,455.23
  5. Step 5: Solve for x
    x = 287,178,928,455.23/611,950.32
  6. Step 6: Final answer
    x = 469,284.71

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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.