Home / 1,035.08-1,428.44-569.32

Finding the Fourth Proportional to 1,035.08, 1,428.44 and 569.32

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Solution

The fourth proportional to 1,035.08, 1,428.44 and 569.32 is: 785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.08 : 1,428.44 = 569.32 : x
  2. Step 2: Convert to fraction form
    1,035.08/1,428.44 = 569.32/x
  3. Step 3: Cross multiply
    1,035.08x = 1,428.44 × 569.32
  4. Step 4: Simplify right side
    1,035.08x = 813,239.46
  5. Step 5: Solve for x
    x = 813,239.46/1,035.08
  6. Step 6: Final answer
    x = 785.68

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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.