Home / 668,956.20-1,003,711.32-369,410.10

Finding the Fourth Proportional to 668,956.20, 1,003,711.32 and 369,410.10

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Solution

The fourth proportional to 668,956.20, 1,003,711.32 and 369,410.10 is: 554,268.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,956.20 : 1,003,711.32 = 369,410.10 : x
  2. Step 2: Convert to fraction form
    668,956.20/1,003,711.32 = 369,410.10/x
  3. Step 3: Cross multiply
    668,956.20x = 1,003,711.32 × 369,410.10
  4. Step 4: Simplify right side
    668,956.20x = 370,781,099,092.33
  5. Step 5: Solve for x
    x = 370,781,099,092.33/668,956.20
  6. Step 6: Final answer
    x = 554,268.13

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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.