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Finding the Fourth Proportional to 756.92, 1,044.01 and 569.81

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Solution

The fourth proportional to 756.92, 1,044.01 and 569.81 is: 785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    756.92 : 1,044.01 = 569.81 : x
  2. Step 2: Convert to fraction form
    756.92/1,044.01 = 569.81/x
  3. Step 3: Cross multiply
    756.92x = 1,044.01 × 569.81
  4. Step 4: Simplify right side
    756.92x = 594,887.34
  5. Step 5: Solve for x
    x = 594,887.34/756.92
  6. Step 6: Final answer
    x = 785.93

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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.