Home / 668,484.63-1,002,628.53-219,252.96

Finding the Fourth Proportional to 668,484.63, 1,002,628.53 and 219,252.96

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Solution

The fourth proportional to 668,484.63, 1,002,628.53 and 219,252.96 is: 328,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,484.63 : 1,002,628.53 = 219,252.96 : x
  2. Step 2: Convert to fraction form
    668,484.63/1,002,628.53 = 219,252.96/x
  3. Step 3: Cross multiply
    668,484.63x = 1,002,628.53 × 219,252.96
  4. Step 4: Simplify right side
    668,484.63x = 219,829,272,982.95
  5. Step 5: Solve for x
    x = 219,829,272,982.95/668,484.63
  6. Step 6: Final answer
    x = 328,847.16

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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.