Home / 731,605.70-1,099,741.35-689,615.30

Finding the Fourth Proportional to 731,605.70, 1,099,741.35 and 689,615.30

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Solution

The fourth proportional to 731,605.70, 1,099,741.35 and 689,615.30 is: 1,036,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,605.70 : 1,099,741.35 = 689,615.30 : x
  2. Step 2: Convert to fraction form
    731,605.70/1,099,741.35 = 689,615.30/x
  3. Step 3: Cross multiply
    731,605.70x = 1,099,741.35 × 689,615.30
  4. Step 4: Simplify right side
    731,605.70x = 758,398,461,002.66
  5. Step 5: Solve for x
    x = 758,398,461,002.66/731,605.70
  6. Step 6: Final answer
    x = 1,036,621.86

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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.