Home / 840,428.46-1,260,653.83-264,032.93

Finding the Fourth Proportional to 840,428.46, 1,260,653.83 and 264,032.93

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Solution

The fourth proportional to 840,428.46, 1,260,653.83 and 264,032.93 is: 396,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,428.46 : 1,260,653.83 = 264,032.93 : x
  2. Step 2: Convert to fraction form
    840,428.46/1,260,653.83 = 264,032.93/x
  3. Step 3: Cross multiply
    840,428.46x = 1,260,653.83 × 264,032.93
  4. Step 4: Simplify right side
    840,428.46x = 332,854,126,942.17
  5. Step 5: Solve for x
    x = 332,854,126,942.17/840,428.46
  6. Step 6: Final answer
    x = 396,052.90

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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.