Home / 657,977.60-907,958.41-371,525.96

Finding the Fourth Proportional to 657,977.60, 907,958.41 and 371,525.96

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Solution

The fourth proportional to 657,977.60, 907,958.41 and 371,525.96 is: 512,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,977.60 : 907,958.41 = 371,525.96 : x
  2. Step 2: Convert to fraction form
    657,977.60/907,958.41 = 371,525.96/x
  3. Step 3: Cross multiply
    657,977.60x = 907,958.41 × 371,525.96
  4. Step 4: Simplify right side
    657,977.60x = 337,330,114,446.72
  5. Step 5: Solve for x
    x = 337,330,114,446.72/657,977.60
  6. Step 6: Final answer
    x = 512,677.21

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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.