Home / 946,279.48-1,305,848.82-538,372.54

Finding the Fourth Proportional to 946,279.48, 1,305,848.82 and 538,372.54

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Solution

The fourth proportional to 946,279.48, 1,305,848.82 and 538,372.54 is: 742,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,279.48 : 1,305,848.82 = 538,372.54 : x
  2. Step 2: Convert to fraction form
    946,279.48/1,305,848.82 = 538,372.54/x
  3. Step 3: Cross multiply
    946,279.48x = 1,305,848.82 × 538,372.54
  4. Step 4: Simplify right side
    946,279.48x = 703,033,146,079.40
  5. Step 5: Solve for x
    x = 703,033,146,079.40/946,279.48
  6. Step 6: Final answer
    x = 742,944.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.