Home / 719,920.14-1,079,746.83-264,411.78

Finding the Fourth Proportional to 719,920.14, 1,079,746.83 and 264,411.78

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Solution

The fourth proportional to 719,920.14, 1,079,746.83 and 264,411.78 is: 396,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,920.14 : 1,079,746.83 = 264,411.78 : x
  2. Step 2: Convert to fraction form
    719,920.14/1,079,746.83 = 264,411.78/x
  3. Step 3: Cross multiply
    719,920.14x = 1,079,746.83 × 264,411.78
  4. Step 4: Simplify right side
    719,920.14x = 285,497,781,269.66
  5. Step 5: Solve for x
    x = 285,497,781,269.66/719,920.14
  6. Step 6: Final answer
    x = 396,568.68

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1.5x scale

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.