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Finding the Fourth Proportional to 627,727.70, 866,254.02 and 341,255

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Solution

The fourth proportional to 627,727.70, 866,254.02 and 341,255 is: 470,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,727.70 : 866,254.02 = 341,255 : x
  2. Step 2: Convert to fraction form
    627,727.70/866,254.02 = 341,255/x
  3. Step 3: Cross multiply
    627,727.70x = 866,254.02 × 341,255
  4. Step 4: Simplify right side
    627,727.70x = 295,613,515,595.10
  5. Step 5: Solve for x
    x = 295,613,515,595.10/627,727.70
  6. Step 6: Final answer
    x = 470,926.35

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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.