Home / 834,371.37-1,251,142.59-265,678.23

Finding the Fourth Proportional to 834,371.37, 1,251,142.59 and 265,678.23

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Solution

The fourth proportional to 834,371.37, 1,251,142.59 and 265,678.23 is: 398,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,371.37 : 1,251,142.59 = 265,678.23 : x
  2. Step 2: Convert to fraction form
    834,371.37/1,251,142.59 = 265,678.23/x
  3. Step 3: Cross multiply
    834,371.37x = 1,251,142.59 × 265,678.23
  4. Step 4: Simplify right side
    834,371.37x = 332,401,348,788.82
  5. Step 5: Solve for x
    x = 332,401,348,788.82/834,371.37
  6. Step 6: Final answer
    x = 398,385.37

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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.