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Finding the Fourth Proportional to 1,041.64, 1,560.54 and 463.08

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Solution

The fourth proportional to 1,041.64, 1,560.54 and 463.08 is: 693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.64 : 1,560.54 = 463.08 : x
  2. Step 2: Convert to fraction form
    1,041.64/1,560.54 = 463.08/x
  3. Step 3: Cross multiply
    1,041.64x = 1,560.54 × 463.08
  4. Step 4: Simplify right side
    1,041.64x = 722,654.86
  5. Step 5: Solve for x
    x = 722,654.86/1,041.64
  6. Step 6: Final answer
    x = 693.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.