Home / 668,313.12-1,002,677.52-219,037.92

Finding the Fourth Proportional to 668,313.12, 1,002,677.52 and 219,037.92

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Solution

The fourth proportional to 668,313.12, 1,002,677.52 and 219,037.92 is: 328,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,313.12 : 1,002,677.52 = 219,037.92 : x
  2. Step 2: Convert to fraction form
    668,313.12/1,002,677.52 = 219,037.92/x
  3. Step 3: Cross multiply
    668,313.12x = 1,002,677.52 × 219,037.92
  4. Step 4: Simplify right side
    668,313.12x = 219,624,398,411.56
  5. Step 5: Solve for x
    x = 219,624,398,411.56/668,313.12
  6. Step 6: Final answer
    x = 328,625.00

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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.