Home / 743,769.78-1,026,397.44-404,238.03

Finding the Fourth Proportional to 743,769.78, 1,026,397.44 and 404,238.03

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Solution

The fourth proportional to 743,769.78, 1,026,397.44 and 404,238.03 is: 557,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,769.78 : 1,026,397.44 = 404,238.03 : x
  2. Step 2: Convert to fraction form
    743,769.78/1,026,397.44 = 404,238.03/x
  3. Step 3: Cross multiply
    743,769.78x = 1,026,397.44 × 404,238.03
  4. Step 4: Simplify right side
    743,769.78x = 414,908,879,142.64
  5. Step 5: Solve for x
    x = 414,908,879,142.64/743,769.78
  6. Step 6: Final answer
    x = 557,845.84

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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.