Home / 665,096.57-917,833.26-359,172.94

Finding the Fourth Proportional to 665,096.57, 917,833.26 and 359,172.94

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Solution

The fourth proportional to 665,096.57, 917,833.26 and 359,172.94 is: 495,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,096.57 : 917,833.26 = 359,172.94 : x
  2. Step 2: Convert to fraction form
    665,096.57/917,833.26 = 359,172.94/x
  3. Step 3: Cross multiply
    665,096.57x = 917,833.26 × 359,172.94
  4. Step 4: Simplify right side
    665,096.57x = 329,660,870,224.38
  5. Step 5: Solve for x
    x = 329,660,870,224.38/665,096.57
  6. Step 6: Final answer
    x = 495,658.65

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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.