Home / 783,237.71-1,080,786.83-460,928.58

Finding the Fourth Proportional to 783,237.71, 1,080,786.83 and 460,928.58

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Solution

The fourth proportional to 783,237.71, 1,080,786.83 and 460,928.58 is: 636,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,237.71 : 1,080,786.83 = 460,928.58 : x
  2. Step 2: Convert to fraction form
    783,237.71/1,080,786.83 = 460,928.58/x
  3. Step 3: Cross multiply
    783,237.71x = 1,080,786.83 × 460,928.58
  4. Step 4: Simplify right side
    783,237.71x = 498,165,536,529.96
  5. Step 5: Solve for x
    x = 498,165,536,529.96/783,237.71
  6. Step 6: Final answer
    x = 636,033.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.