Home / 751,013.60-1,126,520.13-498,786.50

Finding the Fourth Proportional to 751,013.60, 1,126,520.13 and 498,786.50

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Solution

The fourth proportional to 751,013.60, 1,126,520.13 and 498,786.50 is: 748,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,013.60 : 1,126,520.13 = 498,786.50 : x
  2. Step 2: Convert to fraction form
    751,013.60/1,126,520.13 = 498,786.50/x
  3. Step 3: Cross multiply
    751,013.60x = 1,126,520.13 × 498,786.50
  4. Step 4: Simplify right side
    751,013.60x = 561,893,032,822.25
  5. Step 5: Solve for x
    x = 561,893,032,822.25/751,013.60
  6. Step 6: Final answer
    x = 748,179.57

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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.