Home / 834,265.98-1,151,200.89-511,989.66

Finding the Fourth Proportional to 834,265.98, 1,151,200.89 and 511,989.66

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Solution

The fourth proportional to 834,265.98, 1,151,200.89 and 511,989.66 is: 706,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,265.98 : 1,151,200.89 = 511,989.66 : x
  2. Step 2: Convert to fraction form
    834,265.98/1,151,200.89 = 511,989.66/x
  3. Step 3: Cross multiply
    834,265.98x = 1,151,200.89 × 511,989.66
  4. Step 4: Simplify right side
    834,265.98x = 589,402,952,262.80
  5. Step 5: Solve for x
    x = 589,402,952,262.80/834,265.98
  6. Step 6: Final answer
    x = 706,492.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.