Home / 607,531.78-911,037.96-208,212.92

Finding the Fourth Proportional to 607,531.78, 911,037.96 and 208,212.92

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Solution

The fourth proportional to 607,531.78, 911,037.96 and 208,212.92 is: 312,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,531.78 : 911,037.96 = 208,212.92 : x
  2. Step 2: Convert to fraction form
    607,531.78/911,037.96 = 208,212.92/x
  3. Step 3: Cross multiply
    607,531.78x = 911,037.96 × 208,212.92
  4. Step 4: Simplify right side
    607,531.78x = 189,689,872,194.49
  5. Step 5: Solve for x
    x = 189,689,872,194.49/607,531.78
  6. Step 6: Final answer
    x = 312,230.37

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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.