Home / 743,657.41-1,026,247.20-404,125.66

Finding the Fourth Proportional to 743,657.41, 1,026,247.20 and 404,125.66

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Solution

The fourth proportional to 743,657.41, 1,026,247.20 and 404,125.66 is: 557,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,657.41 : 1,026,247.20 = 404,125.66 : x
  2. Step 2: Convert to fraction form
    743,657.41/1,026,247.20 = 404,125.66/x
  3. Step 3: Cross multiply
    743,657.41x = 1,026,247.20 × 404,125.66
  4. Step 4: Simplify right side
    743,657.41x = 414,732,821,891.92
  5. Step 5: Solve for x
    x = 414,732,821,891.92/743,657.41
  6. Step 6: Final answer
    x = 557,693.39

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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.