Home / 662,981.63-994,497.08-213,708.98

Finding the Fourth Proportional to 662,981.63, 994,497.08 and 213,708.98

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Solution

The fourth proportional to 662,981.63, 994,497.08 and 213,708.98 is: 320,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,981.63 : 994,497.08 = 213,708.98 : x
  2. Step 2: Convert to fraction form
    662,981.63/994,497.08 = 213,708.98/x
  3. Step 3: Cross multiply
    662,981.63x = 994,497.08 × 213,708.98
  4. Step 4: Simplify right side
    662,981.63x = 212,532,957,997.48
  5. Step 5: Solve for x
    x = 212,532,957,997.48/662,981.63
  6. Step 6: Final answer
    x = 320,571.42

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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.