Home / 722,029.07-1,081,447.19-493,783.77

Finding the Fourth Proportional to 722,029.07, 1,081,447.19 and 493,783.77

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Solution

The fourth proportional to 722,029.07, 1,081,447.19 and 493,783.77 is: 739,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,029.07 : 1,081,447.19 = 493,783.77 : x
  2. Step 2: Convert to fraction form
    722,029.07/1,081,447.19 = 493,783.77/x
  3. Step 3: Cross multiply
    722,029.07x = 1,081,447.19 × 493,783.77
  4. Step 4: Simplify right side
    722,029.07x = 534,001,065,673.97
  5. Step 5: Solve for x
    x = 534,001,065,673.97/722,029.07
  6. Step 6: Final answer
    x = 739,583.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.