Home / 982,873.70-1,356,784.20-660,770.63

Finding the Fourth Proportional to 982,873.70, 1,356,784.20 and 660,770.63

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Solution

The fourth proportional to 982,873.70, 1,356,784.20 and 660,770.63 is: 912,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,873.70 : 1,356,784.20 = 660,770.63 : x
  2. Step 2: Convert to fraction form
    982,873.70/1,356,784.20 = 660,770.63/x
  3. Step 3: Cross multiply
    982,873.70x = 1,356,784.20 × 660,770.63
  4. Step 4: Simplify right side
    982,873.70x = 896,523,147,304.19
  5. Step 5: Solve for x
    x = 896,523,147,304.19/982,873.70
  6. Step 6: Final answer
    x = 912,144.81

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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.