Home / 751,123.70-1,126,685.55-301,913.90

Finding the Fourth Proportional to 751,123.70, 1,126,685.55 and 301,913.90

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Solution

The fourth proportional to 751,123.70, 1,126,685.55 and 301,913.90 is: 452,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,123.70 : 1,126,685.55 = 301,913.90 : x
  2. Step 2: Convert to fraction form
    751,123.70/1,126,685.55 = 301,913.90/x
  3. Step 3: Cross multiply
    751,123.70x = 1,126,685.55 × 301,913.90
  4. Step 4: Simplify right side
    751,123.70x = 340,162,028,474.15
  5. Step 5: Solve for x
    x = 340,162,028,474.15/751,123.70
  6. Step 6: Final answer
    x = 452,870.85

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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.