Home / 743,663.16-1,026,266.22-404,131.68

Finding the Fourth Proportional to 743,663.16, 1,026,266.22 and 404,131.68

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Solution

The fourth proportional to 743,663.16, 1,026,266.22 and 404,131.68 is: 557,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,663.16 : 1,026,266.22 = 404,131.68 : x
  2. Step 2: Convert to fraction form
    743,663.16/1,026,266.22 = 404,131.68/x
  3. Step 3: Cross multiply
    743,663.16x = 1,026,266.22 × 404,131.68
  4. Step 4: Simplify right side
    743,663.16x = 414,746,691,615.85
  5. Step 5: Solve for x
    x = 414,746,691,615.85/743,663.16
  6. Step 6: Final answer
    x = 557,707.73

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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.