Home / 743,663.35-1,026,261.93-404,131.60

Finding the Fourth Proportional to 743,663.35, 1,026,261.93 and 404,131.60

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Solution

The fourth proportional to 743,663.35, 1,026,261.93 and 404,131.60 is: 557,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,663.35 : 1,026,261.93 = 404,131.60 : x
  2. Step 2: Convert to fraction form
    743,663.35/1,026,261.93 = 404,131.60/x
  3. Step 3: Cross multiply
    743,663.35x = 1,026,261.93 × 404,131.60
  4. Step 4: Simplify right side
    743,663.35x = 414,744,875,789.99
  5. Step 5: Solve for x
    x = 414,744,875,789.99/743,663.35
  6. Step 6: Final answer
    x = 557,705.14

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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.