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Finding the Fourth Proportional to 1,441.46, 1,988.74 and 944.76

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Solution

The fourth proportional to 1,441.46, 1,988.74 and 944.76 is: 1,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.46 : 1,988.74 = 944.76 : x
  2. Step 2: Convert to fraction form
    1,441.46/1,988.74 = 944.76/x
  3. Step 3: Cross multiply
    1,441.46x = 1,988.74 × 944.76
  4. Step 4: Simplify right side
    1,441.46x = 1,878,882.00
  5. Step 5: Solve for x
    x = 1,878,882.00/1,441.46
  6. Step 6: Final answer
    x = 1,303.46

Related Problems

Find fourth proportional to 720.73, 994.37 and 472.38
Half scale
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Double scale
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Similar ratio
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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.