Home / 479,664.08-718,683.15-289,725.39

Finding the Fourth Proportional to 479,664.08, 718,683.15 and 289,725.39

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Solution

The fourth proportional to 479,664.08, 718,683.15 and 289,725.39 is: 434,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,664.08 : 718,683.15 = 289,725.39 : x
  2. Step 2: Convert to fraction form
    479,664.08/718,683.15 = 289,725.39/x
  3. Step 3: Cross multiply
    479,664.08x = 718,683.15 × 289,725.39
  4. Step 4: Simplify right side
    479,664.08x = 208,220,755,920.18
  5. Step 5: Solve for x
    x = 208,220,755,920.18/479,664.08
  6. Step 6: Final answer
    x = 434,097.04

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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.