Home / 908,725.59-1,253,990.25-500,826.21

Finding the Fourth Proportional to 908,725.59, 1,253,990.25 and 500,826.21

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Solution

The fourth proportional to 908,725.59, 1,253,990.25 and 500,826.21 is: 691,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,725.59 : 1,253,990.25 = 500,826.21 : x
  2. Step 2: Convert to fraction form
    908,725.59/1,253,990.25 = 500,826.21/x
  3. Step 3: Cross multiply
    908,725.59x = 1,253,990.25 × 500,826.21
  4. Step 4: Simplify right side
    908,725.59x = 628,031,184,284.45
  5. Step 5: Solve for x
    x = 628,031,184,284.45/908,725.59
  6. Step 6: Final answer
    x = 691,112.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.