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Finding the Fourth Proportional to 706.56, 1,055.40 and 473.52

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Solution

The fourth proportional to 706.56, 1,055.40 and 473.52 is: 707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.56 : 1,055.40 = 473.52 : x
  2. Step 2: Convert to fraction form
    706.56/1,055.40 = 473.52/x
  3. Step 3: Cross multiply
    706.56x = 1,055.40 × 473.52
  4. Step 4: Simplify right side
    706.56x = 499,753.01
  5. Step 5: Solve for x
    x = 499,753.01/706.56
  6. Step 6: Final answer
    x = 707.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.