Home / 840,429.46-1,260,655.33-264,033.93

Finding the Fourth Proportional to 840,429.46, 1,260,655.33 and 264,033.93

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Solution

The fourth proportional to 840,429.46, 1,260,655.33 and 264,033.93 is: 396,054.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,429.46 : 1,260,655.33 = 264,033.93 : x
  2. Step 2: Convert to fraction form
    840,429.46/1,260,655.33 = 264,033.93/x
  3. Step 3: Cross multiply
    840,429.46x = 1,260,655.33 × 264,033.93
  4. Step 4: Simplify right side
    840,429.46x = 332,855,781,155.35
  5. Step 5: Solve for x
    x = 332,855,781,155.35/840,429.46
  6. Step 6: Final answer
    x = 396,054.39

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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.