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Finding the Fourth Proportional to 733.47, 1,013.47 and 577.34

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Solution

The fourth proportional to 733.47, 1,013.47 and 577.34 is: 797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.47 : 1,013.47 = 577.34 : x
  2. Step 2: Convert to fraction form
    733.47/1,013.47 = 577.34/x
  3. Step 3: Cross multiply
    733.47x = 1,013.47 × 577.34
  4. Step 4: Simplify right side
    733.47x = 585,116.77
  5. Step 5: Solve for x
    x = 585,116.77/733.47
  6. Step 6: Final answer
    x = 797.74

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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.