Home / 668,298.61-1,002,214.50-268,835.77

Finding the Fourth Proportional to 668,298.61, 1,002,214.50 and 268,835.77

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Solution

The fourth proportional to 668,298.61, 1,002,214.50 and 268,835.77 is: 403,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,298.61 : 1,002,214.50 = 268,835.77 : x
  2. Step 2: Convert to fraction form
    668,298.61/1,002,214.50 = 268,835.77/x
  3. Step 3: Cross multiply
    668,298.61x = 1,002,214.50 × 268,835.77
  4. Step 4: Simplify right side
    668,298.61x = 269,431,106,812.67
  5. Step 5: Solve for x
    x = 269,431,106,812.67/668,298.61
  6. Step 6: Final answer
    x = 403,159.76

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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.