Home / 710,728.50-1,066,277.43-212,092.50

Finding the Fourth Proportional to 710,728.50, 1,066,277.43 and 212,092.50

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Solution

The fourth proportional to 710,728.50, 1,066,277.43 and 212,092.50 is: 318,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,728.50 : 1,066,277.43 = 212,092.50 : x
  2. Step 2: Convert to fraction form
    710,728.50/1,066,277.43 = 212,092.50/x
  3. Step 3: Cross multiply
    710,728.50x = 1,066,277.43 × 212,092.50
  4. Step 4: Simplify right side
    710,728.50x = 226,149,445,822.28
  5. Step 5: Solve for x
    x = 226,149,445,822.28/710,728.50
  6. Step 6: Final answer
    x = 318,193.86

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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.