Home / 738,718.92-1,108,275.78-265,408.38

Finding the Fourth Proportional to 738,718.92, 1,108,275.78 and 265,408.38

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Solution

The fourth proportional to 738,718.92, 1,108,275.78 and 265,408.38 is: 398,183.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,718.92 : 1,108,275.78 = 265,408.38 : x
  2. Step 2: Convert to fraction form
    738,718.92/1,108,275.78 = 265,408.38/x
  3. Step 3: Cross multiply
    738,718.92x = 1,108,275.78 × 265,408.38
  4. Step 4: Simplify right side
    738,718.92x = 294,145,679,363.04
  5. Step 5: Solve for x
    x = 294,145,679,363.04/738,718.92
  6. Step 6: Final answer
    x = 398,183.49

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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.