Home / 657,739.44-907,661.70-371,286.18

Finding the Fourth Proportional to 657,739.44, 907,661.70 and 371,286.18

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Solution

The fourth proportional to 657,739.44, 907,661.70 and 371,286.18 is: 512,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,739.44 : 907,661.70 = 371,286.18 : x
  2. Step 2: Convert to fraction form
    657,739.44/907,661.70 = 371,286.18/x
  3. Step 3: Cross multiply
    657,739.44x = 907,661.70 × 371,286.18
  4. Step 4: Simplify right side
    657,739.44x = 337,002,245,325.31
  5. Step 5: Solve for x
    x = 337,002,245,325.31/657,739.44
  6. Step 6: Final answer
    x = 512,364.36

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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.