Home / 657,977.22-907,957.89-371,525.58

Finding the Fourth Proportional to 657,977.22, 907,957.89 and 371,525.58

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Solution

The fourth proportional to 657,977.22, 907,957.89 and 371,525.58 is: 512,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,977.22 : 907,957.89 = 371,525.58 : x
  2. Step 2: Convert to fraction form
    657,977.22/907,957.89 = 371,525.58/x
  3. Step 3: Cross multiply
    657,977.22x = 907,957.89 × 371,525.58
  4. Step 4: Simplify right side
    657,977.22x = 337,329,581,697.83
  5. Step 5: Solve for x
    x = 337,329,581,697.83/657,977.22
  6. Step 6: Final answer
    x = 512,676.69

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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.