Home / 657,546.60-907,462.26-371,091.72

Finding the Fourth Proportional to 657,546.60, 907,462.26 and 371,091.72

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Solution

The fourth proportional to 657,546.60, 907,462.26 and 371,091.72 is: 512,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,546.60 : 907,462.26 = 371,091.72 : x
  2. Step 2: Convert to fraction form
    657,546.60/907,462.26 = 371,091.72/x
  3. Step 3: Cross multiply
    657,546.60x = 907,462.26 × 371,091.72
  4. Step 4: Simplify right side
    657,546.60x = 336,751,730,898.49
  5. Step 5: Solve for x
    x = 336,751,730,898.49/657,546.60
  6. Step 6: Final answer
    x = 512,133.64

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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.