Home / 672,280.68-1,007,813.22-245,515.44

Finding the Fourth Proportional to 672,280.68, 1,007,813.22 and 245,515.44

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Solution

The fourth proportional to 672,280.68, 1,007,813.22 and 245,515.44 is: 368,051.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,280.68 : 1,007,813.22 = 245,515.44 : x
  2. Step 2: Convert to fraction form
    672,280.68/1,007,813.22 = 245,515.44/x
  3. Step 3: Cross multiply
    672,280.68x = 1,007,813.22 × 245,515.44
  4. Step 4: Simplify right side
    672,280.68x = 247,433,706,146.12
  5. Step 5: Solve for x
    x = 247,433,706,146.12/672,280.68
  6. Step 6: Final answer
    x = 368,051.19

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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.