Home / 762,150.27-1,142,228.80-312,344.52

Finding the Fourth Proportional to 762,150.27, 1,142,228.80 and 312,344.52

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Solution

The fourth proportional to 762,150.27, 1,142,228.80 and 312,344.52 is: 468,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,150.27 : 1,142,228.80 = 312,344.52 : x
  2. Step 2: Convert to fraction form
    762,150.27/1,142,228.80 = 312,344.52/x
  3. Step 3: Cross multiply
    762,150.27x = 1,142,228.80 × 312,344.52
  4. Step 4: Simplify right side
    762,150.27x = 356,768,906,266.18
  5. Step 5: Solve for x
    x = 356,768,906,266.18/762,150.27
  6. Step 6: Final answer
    x = 468,108.35

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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.