Home / 668,284.50-1,002,611.90-308,565.25

Finding the Fourth Proportional to 668,284.50, 1,002,611.90 and 308,565.25

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Solution

The fourth proportional to 668,284.50, 1,002,611.90 and 308,565.25 is: 462,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,284.50 : 1,002,611.90 = 308,565.25 : x
  2. Step 2: Convert to fraction form
    668,284.50/1,002,611.90 = 308,565.25/x
  3. Step 3: Cross multiply
    668,284.50x = 1,002,611.90 × 308,565.25
  4. Step 4: Simplify right side
    668,284.50x = 309,371,191,576.48
  5. Step 5: Solve for x
    x = 309,371,191,576.48/668,284.50
  6. Step 6: Final answer
    x = 462,933.36

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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.