Home / 762,216.40-1,143,378.06-229,741.84

Finding the Fourth Proportional to 762,216.40, 1,143,378.06 and 229,741.84

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Solution

The fourth proportional to 762,216.40, 1,143,378.06 and 229,741.84 is: 344,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,216.40 : 1,143,378.06 = 229,741.84 : x
  2. Step 2: Convert to fraction form
    762,216.40/1,143,378.06 = 229,741.84/x
  3. Step 3: Cross multiply
    762,216.40x = 1,143,378.06 × 229,741.84
  4. Step 4: Simplify right side
    762,216.40x = 262,681,779,320.03
  5. Step 5: Solve for x
    x = 262,681,779,320.03/762,216.40
  6. Step 6: Final answer
    x = 344,628.87

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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.