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Finding the Fourth Proportional to 563,041.58, 776,804.31 and 321,150.06

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Solution

The fourth proportional to 563,041.58, 776,804.31 and 321,150.06 is: 443,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,041.58 : 776,804.31 = 321,150.06 : x
  2. Step 2: Convert to fraction form
    563,041.58/776,804.31 = 321,150.06/x
  3. Step 3: Cross multiply
    563,041.58x = 776,804.31 × 321,150.06
  4. Step 4: Simplify right side
    563,041.58x = 249,470,750,764.76
  5. Step 5: Solve for x
    x = 249,470,750,764.76/563,041.58
  6. Step 6: Final answer
    x = 443,076.96

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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.