Home / 743,710.29-1,026,291.29-404,171.25

Finding the Fourth Proportional to 743,710.29, 1,026,291.29 and 404,171.25

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Solution

The fourth proportional to 743,710.29, 1,026,291.29 and 404,171.25 is: 557,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,710.29 : 1,026,291.29 = 404,171.25 : x
  2. Step 2: Convert to fraction form
    743,710.29/1,026,291.29 = 404,171.25/x
  3. Step 3: Cross multiply
    743,710.29x = 1,026,291.29 × 404,171.25
  4. Step 4: Simplify right side
    743,710.29x = 414,797,433,543.41
  5. Step 5: Solve for x
    x = 414,797,433,543.41/743,710.29
  6. Step 6: Final answer
    x = 557,740.61

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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.