Home / 913,786.98-1,371,176.37-381,354.54

Finding the Fourth Proportional to 913,786.98, 1,371,176.37 and 381,354.54

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Solution

The fourth proportional to 913,786.98, 1,371,176.37 and 381,354.54 is: 572,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,786.98 : 1,371,176.37 = 381,354.54 : x
  2. Step 2: Convert to fraction form
    913,786.98/1,371,176.37 = 381,354.54/x
  3. Step 3: Cross multiply
    913,786.98x = 1,371,176.37 × 381,354.54
  4. Step 4: Simplify right side
    913,786.98x = 522,904,333,840.22
  5. Step 5: Solve for x
    x = 522,904,333,840.22/913,786.98
  6. Step 6: Final answer
    x = 572,238.77

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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.