Home / 764,544.23-1,054,952.93-442,284.31

Finding the Fourth Proportional to 764,544.23, 1,054,952.93 and 442,284.31

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Solution

The fourth proportional to 764,544.23, 1,054,952.93 and 442,284.31 is: 610,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,544.23 : 1,054,952.93 = 442,284.31 : x
  2. Step 2: Convert to fraction form
    764,544.23/1,054,952.93 = 442,284.31/x
  3. Step 3: Cross multiply
    764,544.23x = 1,054,952.93 × 442,284.31
  4. Step 4: Simplify right side
    764,544.23x = 466,589,127,195.86
  5. Step 5: Solve for x
    x = 466,589,127,195.86/764,544.23
  6. Step 6: Final answer
    x = 610,284.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.