Home / 816,672.23-1,127,000.67-454,092.92

Finding the Fourth Proportional to 816,672.23, 1,127,000.67 and 454,092.92

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Solution

The fourth proportional to 816,672.23, 1,127,000.67 and 454,092.92 is: 626,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,672.23 : 1,127,000.67 = 454,092.92 : x
  2. Step 2: Convert to fraction form
    816,672.23/1,127,000.67 = 454,092.92/x
  3. Step 3: Cross multiply
    816,672.23x = 1,127,000.67 × 454,092.92
  4. Step 4: Simplify right side
    816,672.23x = 511,763,019,447.25
  5. Step 5: Solve for x
    x = 511,763,019,447.25/816,672.23
  6. Step 6: Final answer
    x = 626,644.33

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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.