Home / 671,674.64-1,007,621.24-198,407.76

Finding the Fourth Proportional to 671,674.64, 1,007,621.24 and 198,407.76

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Solution

The fourth proportional to 671,674.64, 1,007,621.24 and 198,407.76 is: 297,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,674.64 : 1,007,621.24 = 198,407.76 : x
  2. Step 2: Convert to fraction form
    671,674.64/1,007,621.24 = 198,407.76/x
  3. Step 3: Cross multiply
    671,674.64x = 1,007,621.24 × 198,407.76
  4. Step 4: Simplify right side
    671,674.64x = 199,919,873,156.82
  5. Step 5: Solve for x
    x = 199,919,873,156.82/671,674.64
  6. Step 6: Final answer
    x = 297,643.92

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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.