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Finding the Fourth Proportional to 1,050.60, 1,449.90 and 584.76

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Solution

The fourth proportional to 1,050.60, 1,449.90 and 584.76 is: 807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.60 : 1,449.90 = 584.76 : x
  2. Step 2: Convert to fraction form
    1,050.60/1,449.90 = 584.76/x
  3. Step 3: Cross multiply
    1,050.60x = 1,449.90 × 584.76
  4. Step 4: Simplify right side
    1,050.60x = 847,843.52
  5. Step 5: Solve for x
    x = 847,843.52/1,050.60
  6. Step 6: Final answer
    x = 807.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.