Home / 1,035.06-1,428.27-569.22

Finding the Fourth Proportional to 1,035.06, 1,428.27 and 569.22

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Solution

The fourth proportional to 1,035.06, 1,428.27 and 569.22 is: 785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.06 : 1,428.27 = 569.22 : x
  2. Step 2: Convert to fraction form
    1,035.06/1,428.27 = 569.22/x
  3. Step 3: Cross multiply
    1,035.06x = 1,428.27 × 569.22
  4. Step 4: Simplify right side
    1,035.06x = 812,999.85
  5. Step 5: Solve for x
    x = 812,999.85/1,035.06
  6. Step 6: Final answer
    x = 785.46

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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.