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Finding the Fourth Proportional to 978,027.10, 1,465,291.05 and 603,612.70

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Solution

The fourth proportional to 978,027.10, 1,465,291.05 and 603,612.70 is: 904,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,027.10 : 1,465,291.05 = 603,612.70 : x
  2. Step 2: Convert to fraction form
    978,027.10/1,465,291.05 = 603,612.70/x
  3. Step 3: Cross multiply
    978,027.10x = 1,465,291.05 × 603,612.70
  4. Step 4: Simplify right side
    978,027.10x = 884,468,286,976.34
  5. Step 5: Solve for x
    x = 884,468,286,976.34/978,027.10
  6. Step 6: Final answer
    x = 904,339.24

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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.