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Finding the Fourth Proportional to 662,707.08, 994,032.86 and 213,418.01

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Solution

The fourth proportional to 662,707.08, 994,032.86 and 213,418.01 is: 320,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,707.08 : 994,032.86 = 213,418.01 : x
  2. Step 2: Convert to fraction form
    662,707.08/994,032.86 = 213,418.01/x
  3. Step 3: Cross multiply
    662,707.08x = 994,032.86 × 213,418.01
  4. Step 4: Simplify right side
    662,707.08x = 212,144,508,818.55
  5. Step 5: Solve for x
    x = 212,144,508,818.55/662,707.08
  6. Step 6: Final answer
    x = 320,118.07

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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.