Home / 1,134.94-1,566.14-630.76

Finding the Fourth Proportional to 1,134.94, 1,566.14 and 630.76

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Solution

The fourth proportional to 1,134.94, 1,566.14 and 630.76 is: 870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134.94 : 1,566.14 = 630.76 : x
  2. Step 2: Convert to fraction form
    1,134.94/1,566.14 = 630.76/x
  3. Step 3: Cross multiply
    1,134.94x = 1,566.14 × 630.76
  4. Step 4: Simplify right side
    1,134.94x = 987,860.97
  5. Step 5: Solve for x
    x = 987,860.97/1,134.94
  6. Step 6: Final answer
    x = 870.41

Related Problems

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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.