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Finding the Fourth Proportional to 760.14, 1,049.10 and 461.53

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Solution

The fourth proportional to 760.14, 1,049.10 and 461.53 is: 636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.14 : 1,049.10 = 461.53 : x
  2. Step 2: Convert to fraction form
    760.14/1,049.10 = 461.53/x
  3. Step 3: Cross multiply
    760.14x = 1,049.10 × 461.53
  4. Step 4: Simplify right side
    760.14x = 484,192.18
  5. Step 5: Solve for x
    x = 484,192.18/760.14
  6. Step 6: Final answer
    x = 636.98

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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.