Home / 668,771.72-1,002,567.07-511,701.38

Finding the Fourth Proportional to 668,771.72, 1,002,567.07 and 511,701.38

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Solution

The fourth proportional to 668,771.72, 1,002,567.07 and 511,701.38 is: 767,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,771.72 : 1,002,567.07 = 511,701.38 : x
  2. Step 2: Convert to fraction form
    668,771.72/1,002,567.07 = 511,701.38/x
  3. Step 3: Cross multiply
    668,771.72x = 1,002,567.07 × 511,701.38
  4. Step 4: Simplify right side
    668,771.72x = 513,014,952,647.98
  5. Step 5: Solve for x
    x = 513,014,952,647.98/668,771.72
  6. Step 6: Final answer
    x = 767,100.25

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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.