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Finding the Fourth Proportional to 944.76, 1,303.75 and 525.11

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Solution

The fourth proportional to 944.76, 1,303.75 and 525.11 is: 724.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    944.76 : 1,303.75 = 525.11 : x
  2. Step 2: Convert to fraction form
    944.76/1,303.75 = 525.11/x
  3. Step 3: Cross multiply
    944.76x = 1,303.75 × 525.11
  4. Step 4: Simplify right side
    944.76x = 684,606.30
  5. Step 5: Solve for x
    x = 684,606.30/944.76
  6. Step 6: Final answer
    x = 724.63

Related Problems

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Half scale
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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.