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Finding the Fourth Proportional to 746.25, 1,032.13 and 590.42

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Solution

The fourth proportional to 746.25, 1,032.13 and 590.42 is: 816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.25 : 1,032.13 = 590.42 : x
  2. Step 2: Convert to fraction form
    746.25/1,032.13 = 590.42/x
  3. Step 3: Cross multiply
    746.25x = 1,032.13 × 590.42
  4. Step 4: Simplify right side
    746.25x = 609,390.19
  5. Step 5: Solve for x
    x = 609,390.19/746.25
  6. Step 6: Final answer
    x = 816.60

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1.5x scale

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.