Home / 765,285.40-1,147,947-365,968.36

Finding the Fourth Proportional to 765,285.40, 1,147,947 and 365,968.36

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Solution

The fourth proportional to 765,285.40, 1,147,947 and 365,968.36 is: 548,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,285.40 : 1,147,947 = 365,968.36 : x
  2. Step 2: Convert to fraction form
    765,285.40/1,147,947 = 365,968.36/x
  3. Step 3: Cross multiply
    765,285.40x = 1,147,947 × 365,968.36
  4. Step 4: Simplify right side
    765,285.40x = 420,112,280,956.92
  5. Step 5: Solve for x
    x = 420,112,280,956.92/765,285.40
  6. Step 6: Final answer
    x = 548,961.58

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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.