Home / 743,766.78-1,026,393.33-404,235.03

Finding the Fourth Proportional to 743,766.78, 1,026,393.33 and 404,235.03

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Solution

The fourth proportional to 743,766.78, 1,026,393.33 and 404,235.03 is: 557,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,766.78 : 1,026,393.33 = 404,235.03 : x
  2. Step 2: Convert to fraction form
    743,766.78/1,026,393.33 = 404,235.03/x
  3. Step 3: Cross multiply
    743,766.78x = 1,026,393.33 × 404,235.03
  4. Step 4: Simplify right side
    743,766.78x = 414,904,138,544.35
  5. Step 5: Solve for x
    x = 414,904,138,544.35/743,766.78
  6. Step 6: Final answer
    x = 557,841.72

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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.