Home / 764,810.60-1,147,215.90-735,780.20

Finding the Fourth Proportional to 764,810.60, 1,147,215.90 and 735,780.20

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Solution

The fourth proportional to 764,810.60, 1,147,215.90 and 735,780.20 is: 1,103,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,810.60 : 1,147,215.90 = 735,780.20 : x
  2. Step 2: Convert to fraction form
    764,810.60/1,147,215.90 = 735,780.20/x
  3. Step 3: Cross multiply
    764,810.60x = 1,147,215.90 × 735,780.20
  4. Step 4: Simplify right side
    764,810.60x = 844,098,744,345.18
  5. Step 5: Solve for x
    x = 844,098,744,345.18/764,810.60
  6. Step 6: Final answer
    x = 1,103,670.30

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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.