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Finding the Fourth Proportional to 454,927, 627,596.40 and 263,829.64

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Solution

The fourth proportional to 454,927, 627,596.40 and 263,829.64 is: 363,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,927 : 627,596.40 = 263,829.64 : x
  2. Step 2: Convert to fraction form
    454,927/627,596.40 = 263,829.64/x
  3. Step 3: Cross multiply
    454,927x = 627,596.40 × 263,829.64
  4. Step 4: Simplify right side
    454,927x = 165,578,532,277.30
  5. Step 5: Solve for x
    x = 165,578,532,277.30/454,927
  6. Step 6: Final answer
    x = 363,967.26

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1.5x scale

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.