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Finding the Fourth Proportional to 1,041.06, 1,560.50 and 492.59

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Solution

The fourth proportional to 1,041.06, 1,560.50 and 492.59 is: 738.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.06 : 1,560.50 = 492.59 : x
  2. Step 2: Convert to fraction form
    1,041.06/1,560.50 = 492.59/x
  3. Step 3: Cross multiply
    1,041.06x = 1,560.50 × 492.59
  4. Step 4: Simplify right side
    1,041.06x = 768,681.20
  5. Step 5: Solve for x
    x = 768,681.20/1,041.06
  6. Step 6: Final answer
    x = 738.37

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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.