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Finding the Fourth Proportional to 752.76, 1,037.88 and 595.08

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Solution

The fourth proportional to 752.76, 1,037.88 and 595.08 is: 820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    752.76 : 1,037.88 = 595.08 : x
  2. Step 2: Convert to fraction form
    752.76/1,037.88 = 595.08/x
  3. Step 3: Cross multiply
    752.76x = 1,037.88 × 595.08
  4. Step 4: Simplify right side
    752.76x = 617,621.63
  5. Step 5: Solve for x
    x = 617,621.63/752.76
  6. Step 6: Final answer
    x = 820.48

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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.