Home / 607,910.51-911,884.20-208,545.53

Finding the Fourth Proportional to 607,910.51, 911,884.20 and 208,545.53

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Solution

The fourth proportional to 607,910.51, 911,884.20 and 208,545.53 is: 312,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,910.51 : 911,884.20 = 208,545.53 : x
  2. Step 2: Convert to fraction form
    607,910.51/911,884.20 = 208,545.53/x
  3. Step 3: Cross multiply
    607,910.51x = 911,884.20 × 208,545.53
  4. Step 4: Simplify right side
    607,910.51x = 190,169,369,228.21
  5. Step 5: Solve for x
    x = 190,169,369,228.21/607,910.51
  6. Step 6: Final answer
    x = 312,824.61

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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.