Home / 777,935.70-1,166,903.55-646,715.70

Finding the Fourth Proportional to 777,935.70, 1,166,903.55 and 646,715.70

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Solution

The fourth proportional to 777,935.70, 1,166,903.55 and 646,715.70 is: 970,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,935.70 : 1,166,903.55 = 646,715.70 : x
  2. Step 2: Convert to fraction form
    777,935.70/1,166,903.55 = 646,715.70/x
  3. Step 3: Cross multiply
    777,935.70x = 1,166,903.55 × 646,715.70
  4. Step 4: Simplify right side
    777,935.70x = 754,654,846,170.74
  5. Step 5: Solve for x
    x = 754,654,846,170.74/777,935.70
  6. Step 6: Final answer
    x = 970,073.55

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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.