Home / 743,662.35-1,026,260.55-404,130.60

Finding the Fourth Proportional to 743,662.35, 1,026,260.55 and 404,130.60

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Solution

The fourth proportional to 743,662.35, 1,026,260.55 and 404,130.60 is: 557,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,662.35 : 1,026,260.55 = 404,130.60 : x
  2. Step 2: Convert to fraction form
    743,662.35/1,026,260.55 = 404,130.60/x
  3. Step 3: Cross multiply
    743,662.35x = 1,026,260.55 × 404,130.60
  4. Step 4: Simplify right side
    743,662.35x = 414,743,291,827.83
  5. Step 5: Solve for x
    x = 414,743,291,827.83/743,662.35
  6. Step 6: Final answer
    x = 557,703.76

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Double scale
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Similar ratio
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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.