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Finding the Fourth Proportional to 978,269.70, 1,467,404.55 and 600,356.10

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Solution

The fourth proportional to 978,269.70, 1,467,404.55 and 600,356.10 is: 900,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,269.70 : 1,467,404.55 = 600,356.10 : x
  2. Step 2: Convert to fraction form
    978,269.70/1,467,404.55 = 600,356.10/x
  3. Step 3: Cross multiply
    978,269.70x = 1,467,404.55 × 600,356.10
  4. Step 4: Simplify right side
    978,269.70x = 880,965,272,760.26
  5. Step 5: Solve for x
    x = 880,965,272,760.26/978,269.70
  6. Step 6: Final answer
    x = 900,534.15

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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.