Home / 751,911.69-1,127,848.79-219,437.34

Finding the Fourth Proportional to 751,911.69, 1,127,848.79 and 219,437.34

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Solution

The fourth proportional to 751,911.69, 1,127,848.79 and 219,437.34 is: 329,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,911.69 : 1,127,848.79 = 219,437.34 : x
  2. Step 2: Convert to fraction form
    751,911.69/1,127,848.79 = 219,437.34/x
  3. Step 3: Cross multiply
    751,911.69x = 1,127,848.79 × 219,437.34
  4. Step 4: Simplify right side
    751,911.69x = 247,492,138,399.82
  5. Step 5: Solve for x
    x = 247,492,138,399.82/751,911.69
  6. Step 6: Final answer
    x = 329,150.54

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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.