Home / 751,516.86-1,126,995.20-302,086.24

Finding the Fourth Proportional to 751,516.86, 1,126,995.20 and 302,086.24

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Solution

The fourth proportional to 751,516.86, 1,126,995.20 and 302,086.24 is: 453,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,516.86 : 1,126,995.20 = 302,086.24 : x
  2. Step 2: Convert to fraction form
    751,516.86/1,126,995.20 = 302,086.24/x
  3. Step 3: Cross multiply
    751,516.86x = 1,126,995.20 × 302,086.24
  4. Step 4: Simplify right side
    751,516.86x = 340,449,742,466.05
  5. Step 5: Solve for x
    x = 340,449,742,466.05/751,516.86
  6. Step 6: Final answer
    x = 453,016.77

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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.