Home / 460,025.41-689,392.02-392,206.71

Finding the Fourth Proportional to 460,025.41, 689,392.02 and 392,206.71

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Solution

The fourth proportional to 460,025.41, 689,392.02 and 392,206.71 is: 587,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,025.41 : 689,392.02 = 392,206.71 : x
  2. Step 2: Convert to fraction form
    460,025.41/689,392.02 = 392,206.71/x
  3. Step 3: Cross multiply
    460,025.41x = 689,392.02 × 392,206.71
  4. Step 4: Simplify right side
    460,025.41x = 270,384,176,064.45
  5. Step 5: Solve for x
    x = 270,384,176,064.45/460,025.41
  6. Step 6: Final answer
    x = 587,759.22

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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.