Home / 878,029.01-1,317,013.45-372,264.31

Finding the Fourth Proportional to 878,029.01, 1,317,013.45 and 372,264.31

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Solution

The fourth proportional to 878,029.01, 1,317,013.45 and 372,264.31 is: 558,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,029.01 : 1,317,013.45 = 372,264.31 : x
  2. Step 2: Convert to fraction form
    878,029.01/1,317,013.45 = 372,264.31/x
  3. Step 3: Cross multiply
    878,029.01x = 1,317,013.45 × 372,264.31
  4. Step 4: Simplify right side
    878,029.01x = 490,277,097,579.37
  5. Step 5: Solve for x
    x = 490,277,097,579.37/878,029.01
  6. Step 6: Final answer
    x = 558,383.71

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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.