Home / 657,166.20-987,822.90-607,399.80

Finding the Fourth Proportional to 657,166.20, 987,822.90 and 607,399.80

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Solution

The fourth proportional to 657,166.20, 987,822.90 and 607,399.80 is: 913,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,166.20 : 987,822.90 = 607,399.80 : x
  2. Step 2: Convert to fraction form
    657,166.20/987,822.90 = 607,399.80/x
  3. Step 3: Cross multiply
    657,166.20x = 987,822.90 × 607,399.80
  4. Step 4: Simplify right side
    657,166.20x = 600,003,431,895.42
  5. Step 5: Solve for x
    x = 600,003,431,895.42/657,166.20
  6. Step 6: Final answer
    x = 913,016.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.