Home / 684,785.70-1,026,337.26-384,635.34

Finding the Fourth Proportional to 684,785.70, 1,026,337.26 and 384,635.34

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Solution

The fourth proportional to 684,785.70, 1,026,337.26 and 384,635.34 is: 576,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,785.70 : 1,026,337.26 = 384,635.34 : x
  2. Step 2: Convert to fraction form
    684,785.70/1,026,337.26 = 384,635.34/x
  3. Step 3: Cross multiply
    684,785.70x = 1,026,337.26 × 384,635.34
  4. Step 4: Simplify right side
    684,785.70x = 394,765,580,954.77
  5. Step 5: Solve for x
    x = 394,765,580,954.77/684,785.70
  6. Step 6: Final answer
    x = 576,480.47

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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.