Home / 863,047.14-1,191,515.31-767,288.76

Finding the Fourth Proportional to 863,047.14, 1,191,515.31 and 767,288.76

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Solution

The fourth proportional to 863,047.14, 1,191,515.31 and 767,288.76 is: 1,059,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,047.14 : 1,191,515.31 = 767,288.76 : x
  2. Step 2: Convert to fraction form
    863,047.14/1,191,515.31 = 767,288.76/x
  3. Step 3: Cross multiply
    863,047.14x = 1,191,515.31 × 767,288.76
  4. Step 4: Simplify right side
    863,047.14x = 914,236,304,730.92
  5. Step 5: Solve for x
    x = 914,236,304,730.92/863,047.14
  6. Step 6: Final answer
    x = 1,059,312.13

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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.