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Finding the Fourth Proportional to 563,151.06, 776,958.30 and 321,263.37

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Solution

The fourth proportional to 563,151.06, 776,958.30 and 321,263.37 is: 443,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,151.06 : 776,958.30 = 321,263.37 : x
  2. Step 2: Convert to fraction form
    563,151.06/776,958.30 = 321,263.37/x
  3. Step 3: Cross multiply
    563,151.06x = 776,958.30 × 321,263.37
  4. Step 4: Simplify right side
    563,151.06x = 249,608,241,807.47
  5. Step 5: Solve for x
    x = 249,608,241,807.47/563,151.06
  6. Step 6: Final answer
    x = 443,234.97

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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.