Home / 668,956.39-1,003,711.60-369,410.29

Finding the Fourth Proportional to 668,956.39, 1,003,711.60 and 369,410.29

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Solution

The fourth proportional to 668,956.39, 1,003,711.60 and 369,410.29 is: 554,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,956.39 : 1,003,711.60 = 369,410.29 : x
  2. Step 2: Convert to fraction form
    668,956.39/1,003,711.60 = 369,410.29/x
  3. Step 3: Cross multiply
    668,956.39x = 1,003,711.60 × 369,410.29
  4. Step 4: Simplify right side
    668,956.39x = 370,781,391,184.85
  5. Step 5: Solve for x
    x = 370,781,391,184.85/668,956.39
  6. Step 6: Final answer
    x = 554,268.41

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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.