Home / 773,419.98-1,160,185.84-323,688.32

Finding the Fourth Proportional to 773,419.98, 1,160,185.84 and 323,688.32

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Solution

The fourth proportional to 773,419.98, 1,160,185.84 and 323,688.32 is: 485,555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,419.98 : 1,160,185.84 = 323,688.32 : x
  2. Step 2: Convert to fraction form
    773,419.98/1,160,185.84 = 323,688.32/x
  3. Step 3: Cross multiply
    773,419.98x = 1,160,185.84 × 323,688.32
  4. Step 4: Simplify right side
    773,419.98x = 375,538,605,437.39
  5. Step 5: Solve for x
    x = 375,538,605,437.39/773,419.98
  6. Step 6: Final answer
    x = 485,555.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.