Home / 668,276.64-1,002,913.28-268,920.96

Finding the Fourth Proportional to 668,276.64, 1,002,913.28 and 268,920.96

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Solution

The fourth proportional to 668,276.64, 1,002,913.28 and 268,920.96 is: 403,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,276.64 : 1,002,913.28 = 268,920.96 : x
  2. Step 2: Convert to fraction form
    668,276.64/1,002,913.28 = 268,920.96/x
  3. Step 3: Cross multiply
    668,276.64x = 1,002,913.28 × 268,920.96
  4. Step 4: Simplify right side
    668,276.64x = 269,704,402,054.35
  5. Step 5: Solve for x
    x = 269,704,402,054.35/668,276.64
  6. Step 6: Final answer
    x = 403,581.97

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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.