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Finding the Fourth Proportional to 656,460.68, 905,889.49 and 370,040.22

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Solution

The fourth proportional to 656,460.68, 905,889.49 and 370,040.22 is: 510,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,460.68 : 905,889.49 = 370,040.22 : x
  2. Step 2: Convert to fraction form
    656,460.68/905,889.49 = 370,040.22/x
  3. Step 3: Cross multiply
    656,460.68x = 905,889.49 × 370,040.22
  4. Step 4: Simplify right side
    656,460.68x = 335,215,545,250.19
  5. Step 5: Solve for x
    x = 335,215,545,250.19/656,460.68
  6. Step 6: Final answer
    x = 510,640.71

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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.