Home / 767,371.73-1,058,979.83-423,220.95

Finding the Fourth Proportional to 767,371.73, 1,058,979.83 and 423,220.95

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Solution

The fourth proportional to 767,371.73, 1,058,979.83 and 423,220.95 is: 584,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,371.73 : 1,058,979.83 = 423,220.95 : x
  2. Step 2: Convert to fraction form
    767,371.73/1,058,979.83 = 423,220.95/x
  3. Step 3: Cross multiply
    767,371.73x = 1,058,979.83 × 423,220.95
  4. Step 4: Simplify right side
    767,371.73x = 448,182,447,567.33
  5. Step 5: Solve for x
    x = 448,182,447,567.33/767,371.73
  6. Step 6: Final answer
    x = 584,048.69

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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.