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Finding the Fourth Proportional to 978,249.60, 1,465,624.80 and 603,835.20

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Solution

The fourth proportional to 978,249.60, 1,465,624.80 and 603,835.20 is: 904,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,249.60 : 1,465,624.80 = 603,835.20 : x
  2. Step 2: Convert to fraction form
    978,249.60/1,465,624.80 = 603,835.20/x
  3. Step 3: Cross multiply
    978,249.60x = 1,465,624.80 × 603,835.20
  4. Step 4: Simplify right side
    978,249.60x = 884,995,844,232.96
  5. Step 5: Solve for x
    x = 884,995,844,232.96/978,249.60
  6. Step 6: Final answer
    x = 904,672.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.