Home / 762,014.43-1,142,221.41-256,399.88

Finding the Fourth Proportional to 762,014.43, 1,142,221.41 and 256,399.88

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Solution

The fourth proportional to 762,014.43, 1,142,221.41 and 256,399.88 is: 384,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,014.43 : 1,142,221.41 = 256,399.88 : x
  2. Step 2: Convert to fraction form
    762,014.43/1,142,221.41 = 256,399.88/x
  3. Step 3: Cross multiply
    762,014.43x = 1,142,221.41 × 256,399.88
  4. Step 4: Simplify right side
    762,014.43x = 292,865,426,746.32
  5. Step 5: Solve for x
    x = 292,865,426,746.32/762,014.43
  6. Step 6: Final answer
    x = 384,330.55

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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.