Home / 888,726.78-1,226,412.54-506,876.58

Finding the Fourth Proportional to 888,726.78, 1,226,412.54 and 506,876.58

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Solution

The fourth proportional to 888,726.78, 1,226,412.54 and 506,876.58 is: 699,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,726.78 : 1,226,412.54 = 506,876.58 : x
  2. Step 2: Convert to fraction form
    888,726.78/1,226,412.54 = 506,876.58/x
  3. Step 3: Cross multiply
    888,726.78x = 1,226,412.54 × 506,876.58
  4. Step 4: Simplify right side
    888,726.78x = 621,639,793,944.31
  5. Step 5: Solve for x
    x = 621,639,793,944.31/888,726.78
  6. Step 6: Final answer
    x = 699,472.33

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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.