Home / 890,872.27-1,331,414.96-651,488.72

Finding the Fourth Proportional to 890,872.27, 1,331,414.96 and 651,488.72

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Solution

The fourth proportional to 890,872.27, 1,331,414.96 and 651,488.72 is: 973,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,872.27 : 1,331,414.96 = 651,488.72 : x
  2. Step 2: Convert to fraction form
    890,872.27/1,331,414.96 = 651,488.72/x
  3. Step 3: Cross multiply
    890,872.27x = 1,331,414.96 × 651,488.72
  4. Step 4: Simplify right side
    890,872.27x = 867,401,818,164.73
  5. Step 5: Solve for x
    x = 867,401,818,164.73/890,872.27
  6. Step 6: Final answer
    x = 973,654.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.