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Finding the Fourth Proportional to 594,873.64, 820,874.82 and 340,183.72

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Solution

The fourth proportional to 594,873.64, 820,874.82 and 340,183.72 is: 469,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,873.64 : 820,874.82 = 340,183.72 : x
  2. Step 2: Convert to fraction form
    594,873.64/820,874.82 = 340,183.72/x
  3. Step 3: Cross multiply
    594,873.64x = 820,874.82 × 340,183.72
  4. Step 4: Simplify right side
    594,873.64x = 279,248,249,921.93
  5. Step 5: Solve for x
    x = 279,248,249,921.93/594,873.64
  6. Step 6: Final answer
    x = 469,424.48

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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.