Home / 751,004.83-1,126,506.99-498,777.78

Finding the Fourth Proportional to 751,004.83, 1,126,506.99 and 498,777.78

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Solution

The fourth proportional to 751,004.83, 1,126,506.99 and 498,777.78 is: 748,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,004.83 : 1,126,506.99 = 498,777.78 : x
  2. Step 2: Convert to fraction form
    751,004.83/1,126,506.99 = 498,777.78/x
  3. Step 3: Cross multiply
    751,004.83x = 1,126,506.99 × 498,777.78
  4. Step 4: Simplify right side
    751,004.83x = 561,876,661,721.50
  5. Step 5: Solve for x
    x = 561,876,661,721.50/751,004.83
  6. Step 6: Final answer
    x = 748,166.51

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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.