Home / 766,804.45-1,058,175.99-417,947.89

Finding the Fourth Proportional to 766,804.45, 1,058,175.99 and 417,947.89

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Solution

The fourth proportional to 766,804.45, 1,058,175.99 and 417,947.89 is: 576,760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,804.45 : 1,058,175.99 = 417,947.89 : x
  2. Step 2: Convert to fraction form
    766,804.45/1,058,175.99 = 417,947.89/x
  3. Step 3: Cross multiply
    766,804.45x = 1,058,175.99 × 417,947.89
  4. Step 4: Simplify right side
    766,804.45x = 442,262,422,269.16
  5. Step 5: Solve for x
    x = 442,262,422,269.16/766,804.45
  6. Step 6: Final answer
    x = 576,760.38

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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.