Home / 764,166.17-1,146,178.94-258,669.36

Finding the Fourth Proportional to 764,166.17, 1,146,178.94 and 258,669.36

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Solution

The fourth proportional to 764,166.17, 1,146,178.94 and 258,669.36 is: 387,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,166.17 : 1,146,178.94 = 258,669.36 : x
  2. Step 2: Convert to fraction form
    764,166.17/1,146,178.94 = 258,669.36/x
  3. Step 3: Cross multiply
    764,166.17x = 1,146,178.94 × 258,669.36
  4. Step 4: Simplify right side
    764,166.17x = 296,481,371,561.93
  5. Step 5: Solve for x
    x = 296,481,371,561.93/764,166.17
  6. Step 6: Final answer
    x = 387,980.24

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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.