Home / 751,510.56-1,127,634.80-302,213.28

Finding the Fourth Proportional to 751,510.56, 1,127,634.80 and 302,213.28

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Solution

The fourth proportional to 751,510.56, 1,127,634.80 and 302,213.28 is: 453,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,510.56 : 1,127,634.80 = 302,213.28 : x
  2. Step 2: Convert to fraction form
    751,510.56/1,127,634.80 = 302,213.28/x
  3. Step 3: Cross multiply
    751,510.56x = 1,127,634.80 × 302,213.28
  4. Step 4: Simplify right side
    751,510.56x = 340,786,211,550.14
  5. Step 5: Solve for x
    x = 340,786,211,550.14/751,510.56
  6. Step 6: Final answer
    x = 453,468.29

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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.