Home / 694,278.34-1,041,417.51-658,819.78

Finding the Fourth Proportional to 694,278.34, 1,041,417.51 and 658,819.78

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Solution

The fourth proportional to 694,278.34, 1,041,417.51 and 658,819.78 is: 988,229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,278.34 : 1,041,417.51 = 658,819.78 : x
  2. Step 2: Convert to fraction form
    694,278.34/1,041,417.51 = 658,819.78/x
  3. Step 3: Cross multiply
    694,278.34x = 1,041,417.51 × 658,819.78
  4. Step 4: Simplify right side
    694,278.34x = 686,106,454,826.35
  5. Step 5: Solve for x
    x = 686,106,454,826.35/694,278.34
  6. Step 6: Final answer
    x = 988,229.67

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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.