Home / 736,501.68-1,103,391.72-381,138.48

Finding the Fourth Proportional to 736,501.68, 1,103,391.72 and 381,138.48

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Solution

The fourth proportional to 736,501.68, 1,103,391.72 and 381,138.48 is: 571,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,501.68 : 1,103,391.72 = 381,138.48 : x
  2. Step 2: Convert to fraction form
    736,501.68/1,103,391.72 = 381,138.48/x
  3. Step 3: Cross multiply
    736,501.68x = 1,103,391.72 × 381,138.48
  4. Step 4: Simplify right side
    736,501.68x = 420,545,043,005.39
  5. Step 5: Solve for x
    x = 420,545,043,005.39/736,501.68
  6. Step 6: Final answer
    x = 571,003.51

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Double scale
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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.