Home / 743,667.36-1,026,267.46-404,135.60

Finding the Fourth Proportional to 743,667.36, 1,026,267.46 and 404,135.60

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Solution

The fourth proportional to 743,667.36, 1,026,267.46 and 404,135.60 is: 557,710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,667.36 : 1,026,267.46 = 404,135.60 : x
  2. Step 2: Convert to fraction form
    743,667.36/1,026,267.46 = 404,135.60/x
  3. Step 3: Cross multiply
    743,667.36x = 1,026,267.46 × 404,135.60
  4. Step 4: Simplify right side
    743,667.36x = 414,751,215,707.58
  5. Step 5: Solve for x
    x = 414,751,215,707.58/743,667.36
  6. Step 6: Final answer
    x = 557,710.66

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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.