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Finding the Fourth Proportional to 835.92, 1,153.58 and 504.29

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Solution

The fourth proportional to 835.92, 1,153.58 and 504.29 is: 695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.92 : 1,153.58 = 504.29 : x
  2. Step 2: Convert to fraction form
    835.92/1,153.58 = 504.29/x
  3. Step 3: Cross multiply
    835.92x = 1,153.58 × 504.29
  4. Step 4: Simplify right side
    835.92x = 581,730.57
  5. Step 5: Solve for x
    x = 581,730.57/835.92
  6. Step 6: Final answer
    x = 695.92

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Double scale
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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.