Home / 668,417.00-1,002,970.15-443,932.79

Finding the Fourth Proportional to 668,417.00, 1,002,970.15 and 443,932.79

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Solution

The fourth proportional to 668,417.00, 1,002,970.15 and 443,932.79 is: 666,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,417.00 : 1,002,970.15 = 443,932.79 : x
  2. Step 2: Convert to fraction form
    668,417.00/1,002,970.15 = 443,932.79/x
  3. Step 3: Cross multiply
    668,417.00x = 1,002,970.15 × 443,932.79
  4. Step 4: Simplify right side
    668,417.00x = 445,251,330,851.54
  5. Step 5: Solve for x
    x = 445,251,330,851.54/668,417.00
  6. Step 6: Final answer
    x = 666,128.08

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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.