Home / 829,030.20-1,241,471.70-663,142.20

Finding the Fourth Proportional to 829,030.20, 1,241,471.70 and 663,142.20

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Solution

The fourth proportional to 829,030.20, 1,241,471.70 and 663,142.20 is: 993,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,030.20 : 1,241,471.70 = 663,142.20 : x
  2. Step 2: Convert to fraction form
    829,030.20/1,241,471.70 = 663,142.20/x
  3. Step 3: Cross multiply
    829,030.20x = 1,241,471.70 × 663,142.20
  4. Step 4: Simplify right side
    829,030.20x = 823,272,274,375.74
  5. Step 5: Solve for x
    x = 823,272,274,375.74/829,030.20
  6. Step 6: Final answer
    x = 993,054.63

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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.