Home / 448,787.27-619,265.09-257,800.61

Finding the Fourth Proportional to 448,787.27, 619,265.09 and 257,800.61

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Solution

The fourth proportional to 448,787.27, 619,265.09 and 257,800.61 is: 355,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,787.27 : 619,265.09 = 257,800.61 : x
  2. Step 2: Convert to fraction form
    448,787.27/619,265.09 = 257,800.61/x
  3. Step 3: Cross multiply
    448,787.27x = 619,265.09 × 257,800.61
  4. Step 4: Simplify right side
    448,787.27x = 159,646,917,953.71
  5. Step 5: Solve for x
    x = 159,646,917,953.71/448,787.27
  6. Step 6: Final answer
    x = 355,729.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.