Home / 928,179-1,392,501.78-263,331

Finding the Fourth Proportional to 928,179, 1,392,501.78 and 263,331

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Solution

The fourth proportional to 928,179, 1,392,501.78 and 263,331 is: 395,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,179 : 1,392,501.78 = 263,331 : x
  2. Step 2: Convert to fraction form
    928,179/1,392,501.78 = 263,331/x
  3. Step 3: Cross multiply
    928,179x = 1,392,501.78 × 263,331
  4. Step 4: Simplify right side
    928,179x = 366,688,886,229.18
  5. Step 5: Solve for x
    x = 366,688,886,229.18/928,179
  6. Step 6: Final answer
    x = 395,062.68

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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.