Home / 743,572.41-1,026,136.07-404,040.66

Finding the Fourth Proportional to 743,572.41, 1,026,136.07 and 404,040.66

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Solution

The fourth proportional to 743,572.41, 1,026,136.07 and 404,040.66 is: 557,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,572.41 : 1,026,136.07 = 404,040.66 : x
  2. Step 2: Convert to fraction form
    743,572.41/1,026,136.07 = 404,040.66/x
  3. Step 3: Cross multiply
    743,572.41x = 1,026,136.07 × 404,040.66
  4. Step 4: Simplify right side
    743,572.41x = 414,600,691,755.91
  5. Step 5: Solve for x
    x = 414,600,691,755.91/743,572.41
  6. Step 6: Final answer
    x = 557,579.45

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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.