Home / 743,578.73-1,026,144.80-404,046.98

Finding the Fourth Proportional to 743,578.73, 1,026,144.80 and 404,046.98

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Solution

The fourth proportional to 743,578.73, 1,026,144.80 and 404,046.98 is: 557,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,578.73 : 1,026,144.80 = 404,046.98 : x
  2. Step 2: Convert to fraction form
    743,578.73/1,026,144.80 = 404,046.98/x
  3. Step 3: Cross multiply
    743,578.73x = 1,026,144.80 × 404,046.98
  4. Step 4: Simplify right side
    743,578.73x = 414,610,713,739.79
  5. Step 5: Solve for x
    x = 414,610,713,739.79/743,578.73
  6. Step 6: Final answer
    x = 557,588.18

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1.5x scale

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.