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Finding the Fourth Proportional to 559,637, 772,276.52 and 304,982.72

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Solution

The fourth proportional to 559,637, 772,276.52 and 304,982.72 is: 420,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,637 : 772,276.52 = 304,982.72 : x
  2. Step 2: Convert to fraction form
    559,637/772,276.52 = 304,982.72/x
  3. Step 3: Cross multiply
    559,637x = 772,276.52 × 304,982.72
  4. Step 4: Simplify right side
    559,637x = 235,530,993,661.73
  5. Step 5: Solve for x
    x = 235,530,993,661.73/559,637
  6. Step 6: Final answer
    x = 420,863.87

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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.