Home / 773,945.70-1,158,622.20-575,147.40

Finding the Fourth Proportional to 773,945.70, 1,158,622.20 and 575,147.40

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Solution

The fourth proportional to 773,945.70, 1,158,622.20 and 575,147.40 is: 861,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,945.70 : 1,158,622.20 = 575,147.40 : x
  2. Step 2: Convert to fraction form
    773,945.70/1,158,622.20 = 575,147.40/x
  3. Step 3: Cross multiply
    773,945.70x = 1,158,622.20 × 575,147.40
  4. Step 4: Simplify right side
    773,945.70x = 666,378,545,912.28
  5. Step 5: Solve for x
    x = 666,378,545,912.28/773,945.70
  6. Step 6: Final answer
    x = 861,014.60

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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.