Home / 911,283.30-1,367,118.23-312,083.57

Finding the Fourth Proportional to 911,283.30, 1,367,118.23 and 312,083.57

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Solution

The fourth proportional to 911,283.30, 1,367,118.23 and 312,083.57 is: 468,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,283.30 : 1,367,118.23 = 312,083.57 : x
  2. Step 2: Convert to fraction form
    911,283.30/1,367,118.23 = 312,083.57/x
  3. Step 3: Cross multiply
    911,283.30x = 1,367,118.23 × 312,083.57
  4. Step 4: Simplify right side
    911,283.30x = 426,655,129,434.47
  5. Step 5: Solve for x
    x = 426,655,129,434.47/911,283.30
  6. Step 6: Final answer
    x = 468,191.54

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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.