Home / 751,033.40-1,126,550.10-550,266.80

Finding the Fourth Proportional to 751,033.40, 1,126,550.10 and 550,266.80

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Solution

The fourth proportional to 751,033.40, 1,126,550.10 and 550,266.80 is: 825,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,033.40 : 1,126,550.10 = 550,266.80 : x
  2. Step 2: Convert to fraction form
    751,033.40/1,126,550.10 = 550,266.80/x
  3. Step 3: Cross multiply
    751,033.40x = 1,126,550.10 × 550,266.80
  4. Step 4: Simplify right side
    751,033.40x = 619,903,118,566.68
  5. Step 5: Solve for x
    x = 619,903,118,566.68/751,033.40
  6. Step 6: Final answer
    x = 825,400.20

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Half scale
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Double scale
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Similar ratio
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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.