Home / 886,999.70-1,330,207.95-325,961.30

Finding the Fourth Proportional to 886,999.70, 1,330,207.95 and 325,961.30

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Solution

The fourth proportional to 886,999.70, 1,330,207.95 and 325,961.30 is: 488,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,999.70 : 1,330,207.95 = 325,961.30 : x
  2. Step 2: Convert to fraction form
    886,999.70/1,330,207.95 = 325,961.30/x
  3. Step 3: Cross multiply
    886,999.70x = 1,330,207.95 × 325,961.30
  4. Step 4: Simplify right side
    886,999.70x = 433,596,312,652.34
  5. Step 5: Solve for x
    x = 433,596,312,652.34/886,999.70
  6. Step 6: Final answer
    x = 488,834.79

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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.