Home / 1,035.09-1,428.51-593.15

Finding the Fourth Proportional to 1,035.09, 1,428.51 and 593.15

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Solution

The fourth proportional to 1,035.09, 1,428.51 and 593.15 is: 818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.09 : 1,428.51 = 593.15 : x
  2. Step 2: Convert to fraction form
    1,035.09/1,428.51 = 593.15/x
  3. Step 3: Cross multiply
    1,035.09x = 1,428.51 × 593.15
  4. Step 4: Simplify right side
    1,035.09x = 847,313.56
  5. Step 5: Solve for x
    x = 847,313.56/1,035.09
  6. Step 6: Final answer
    x = 818.59

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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.