Home / 743,663.85-1,026,262.62-404,132.10

Finding the Fourth Proportional to 743,663.85, 1,026,262.62 and 404,132.10

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Solution

The fourth proportional to 743,663.85, 1,026,262.62 and 404,132.10 is: 557,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,663.85 : 1,026,262.62 = 404,132.10 : x
  2. Step 2: Convert to fraction form
    743,663.85/1,026,262.62 = 404,132.10/x
  3. Step 3: Cross multiply
    743,663.85x = 1,026,262.62 × 404,132.10
  4. Step 4: Simplify right side
    743,663.85x = 414,745,667,772.10
  5. Step 5: Solve for x
    x = 414,745,667,772.10/743,663.85
  6. Step 6: Final answer
    x = 557,705.83

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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.