Home / 743,572.44-1,026,128.04-404,040.72

Finding the Fourth Proportional to 743,572.44, 1,026,128.04 and 404,040.72

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Solution

The fourth proportional to 743,572.44, 1,026,128.04 and 404,040.72 is: 557,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,572.44 : 1,026,128.04 = 404,040.72 : x
  2. Step 2: Convert to fraction form
    743,572.44/1,026,128.04 = 404,040.72/x
  3. Step 3: Cross multiply
    743,572.44x = 1,026,128.04 × 404,040.72
  4. Step 4: Simplify right side
    743,572.44x = 414,597,512,093.79
  5. Step 5: Solve for x
    x = 414,597,512,093.79/743,572.44
  6. Step 6: Final answer
    x = 557,575.15

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Double scale
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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.