Home / 422,998.39-583,868.47-272,095.39

Finding the Fourth Proportional to 422,998.39, 583,868.47 and 272,095.39

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Solution

The fourth proportional to 422,998.39, 583,868.47 and 272,095.39 is: 375,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,998.39 : 583,868.47 = 272,095.39 : x
  2. Step 2: Convert to fraction form
    422,998.39/583,868.47 = 272,095.39/x
  3. Step 3: Cross multiply
    422,998.39x = 583,868.47 × 272,095.39
  4. Step 4: Simplify right side
    422,998.39x = 158,867,919,053.35
  5. Step 5: Solve for x
    x = 158,867,919,053.35/422,998.39
  6. Step 6: Final answer
    x = 375,575.71

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1.5x scale

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.