Home / 656,515.42-905,998.21-370,035.51

Finding the Fourth Proportional to 656,515.42, 905,998.21 and 370,035.51

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Solution

The fourth proportional to 656,515.42, 905,998.21 and 370,035.51 is: 510,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,515.42 : 905,998.21 = 370,035.51 : x
  2. Step 2: Convert to fraction form
    656,515.42/905,998.21 = 370,035.51/x
  3. Step 3: Cross multiply
    656,515.42x = 905,998.21 × 370,035.51
  4. Step 4: Simplify right side
    656,515.42x = 335,251,503,316.27
  5. Step 5: Solve for x
    x = 335,251,503,316.27/656,515.42
  6. Step 6: Final answer
    x = 510,652.90

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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.