Home / 751,904.94-1,127,838.67-219,430.58

Finding the Fourth Proportional to 751,904.94, 1,127,838.67 and 219,430.58

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Solution

The fourth proportional to 751,904.94, 1,127,838.67 and 219,430.58 is: 329,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,904.94 : 1,127,838.67 = 219,430.58 : x
  2. Step 2: Convert to fraction form
    751,904.94/1,127,838.67 = 219,430.58/x
  3. Step 3: Cross multiply
    751,904.94x = 1,127,838.67 × 219,430.58
  4. Step 4: Simplify right side
    751,904.94x = 247,482,295,775.55
  5. Step 5: Solve for x
    x = 247,482,295,775.55/751,904.94
  6. Step 6: Final answer
    x = 329,140.40

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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.