Home / 764,544.80-1,147,335.60-497,655.20

Finding the Fourth Proportional to 764,544.80, 1,147,335.60 and 497,655.20

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Solution

The fourth proportional to 764,544.80, 1,147,335.60 and 497,655.20 is: 746,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,544.80 : 1,147,335.60 = 497,655.20 : x
  2. Step 2: Convert to fraction form
    764,544.80/1,147,335.60 = 497,655.20/x
  3. Step 3: Cross multiply
    764,544.80x = 1,147,335.60 × 497,655.20
  4. Step 4: Simplify right side
    764,544.80x = 570,977,527,485.12
  5. Step 5: Solve for x
    x = 570,977,527,485.12/764,544.80
  6. Step 6: Final answer
    x = 746,820.24

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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.