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Finding the Fourth Proportional to 745,452, 1,118,352.96 and 246,816

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Solution

The fourth proportional to 745,452, 1,118,352.96 and 246,816 is: 370,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,452 : 1,118,352.96 = 246,816 : x
  2. Step 2: Convert to fraction form
    745,452/1,118,352.96 = 246,816/x
  3. Step 3: Cross multiply
    745,452x = 1,118,352.96 × 246,816
  4. Step 4: Simplify right side
    745,452x = 276,027,404,175.36
  5. Step 5: Solve for x
    x = 276,027,404,175.36/745,452
  6. Step 6: Final answer
    x = 370,281.93

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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.