Home / 764,277.20-1,145,103.60-497,900.60

Finding the Fourth Proportional to 764,277.20, 1,145,103.60 and 497,900.60

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Solution

The fourth proportional to 764,277.20, 1,145,103.60 and 497,900.60 is: 745,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,277.20 : 1,145,103.60 = 497,900.60 : x
  2. Step 2: Convert to fraction form
    764,277.20/1,145,103.60 = 497,900.60/x
  3. Step 3: Cross multiply
    764,277.20x = 1,145,103.60 × 497,900.60
  4. Step 4: Simplify right side
    764,277.20x = 570,147,769,502.16
  5. Step 5: Solve for x
    x = 570,147,769,502.16/764,277.20
  6. Step 6: Final answer
    x = 745,996.05

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1.5x scale

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.