Home / 725,617.34-1,001,003.56-624,840.38

Finding the Fourth Proportional to 725,617.34, 1,001,003.56 and 624,840.38

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Solution

The fourth proportional to 725,617.34, 1,001,003.56 and 624,840.38 is: 861,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,617.34 : 1,001,003.56 = 624,840.38 : x
  2. Step 2: Convert to fraction form
    725,617.34/1,001,003.56 = 624,840.38/x
  3. Step 3: Cross multiply
    725,617.34x = 1,001,003.56 × 624,840.38
  4. Step 4: Simplify right side
    725,617.34x = 625,467,438,244.63
  5. Step 5: Solve for x
    x = 625,467,438,244.63/725,617.34
  6. Step 6: Final answer
    x = 861,979.74

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Double scale
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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.