Home / 487,838.76-731,869.29-263,194.98

Finding the Fourth Proportional to 487,838.76, 731,869.29 and 263,194.98

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Solution

The fourth proportional to 487,838.76, 731,869.29 and 263,194.98 is: 394,852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,838.76 : 731,869.29 = 263,194.98 : x
  2. Step 2: Convert to fraction form
    487,838.76/731,869.29 = 263,194.98/x
  3. Step 3: Cross multiply
    487,838.76x = 731,869.29 × 263,194.98
  4. Step 4: Simplify right side
    487,838.76x = 192,624,323,144.16
  5. Step 5: Solve for x
    x = 192,624,323,144.16/487,838.76
  6. Step 6: Final answer
    x = 394,852.44

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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.