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Finding the Fourth Proportional to 760.73, 1,049.58 and 524.74

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Solution

The fourth proportional to 760.73, 1,049.58 and 524.74 is: 723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    760.73 : 1,049.58 = 524.74 : x
  2. Step 2: Convert to fraction form
    760.73/1,049.58 = 524.74/x
  3. Step 3: Cross multiply
    760.73x = 1,049.58 × 524.74
  4. Step 4: Simplify right side
    760.73x = 550,754.48
  5. Step 5: Solve for x
    x = 550,754.48/760.73
  6. Step 6: Final answer
    x = 723.99

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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.