Home / 767,999.70-1,151,999.55-662,937.30

Finding the Fourth Proportional to 767,999.70, 1,151,999.55 and 662,937.30

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Solution

The fourth proportional to 767,999.70, 1,151,999.55 and 662,937.30 is: 994,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,999.70 : 1,151,999.55 = 662,937.30 : x
  2. Step 2: Convert to fraction form
    767,999.70/1,151,999.55 = 662,937.30/x
  3. Step 3: Cross multiply
    767,999.70x = 1,151,999.55 × 662,937.30
  4. Step 4: Simplify right side
    767,999.70x = 763,703,471,278.22
  5. Step 5: Solve for x
    x = 763,703,471,278.22/767,999.70
  6. Step 6: Final answer
    x = 994,405.95

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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.