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Finding the Fourth Proportional to 566,437.65, 781,758.60 and 340,097.73

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Solution

The fourth proportional to 566,437.65, 781,758.60 and 340,097.73 is: 469,379.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,437.65 : 781,758.60 = 340,097.73 : x
  2. Step 2: Convert to fraction form
    566,437.65/781,758.60 = 340,097.73/x
  3. Step 3: Cross multiply
    566,437.65x = 781,758.60 × 340,097.73
  4. Step 4: Simplify right side
    566,437.65x = 265,874,325,267.98
  5. Step 5: Solve for x
    x = 265,874,325,267.98/566,437.65
  6. Step 6: Final answer
    x = 469,379.68

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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.