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Finding the Fourth Proportional to 746.03, 1,029.17 and 525.10

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Solution

The fourth proportional to 746.03, 1,029.17 and 525.10 is: 724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.03 : 1,029.17 = 525.10 : x
  2. Step 2: Convert to fraction form
    746.03/1,029.17 = 525.10/x
  3. Step 3: Cross multiply
    746.03x = 1,029.17 × 525.10
  4. Step 4: Simplify right side
    746.03x = 540,417.17
  5. Step 5: Solve for x
    x = 540,417.17/746.03
  6. Step 6: Final answer
    x = 724.39

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Double scale
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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.