Home / 762,517.19-1,142,977.73-256,903.49

Finding the Fourth Proportional to 762,517.19, 1,142,977.73 and 256,903.49

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Solution

The fourth proportional to 762,517.19, 1,142,977.73 and 256,903.49 is: 385,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,517.19 : 1,142,977.73 = 256,903.49 : x
  2. Step 2: Convert to fraction form
    762,517.19/1,142,977.73 = 256,903.49/x
  3. Step 3: Cross multiply
    762,517.19x = 1,142,977.73 × 256,903.49
  4. Step 4: Simplify right side
    762,517.19x = 293,634,966,544.76
  5. Step 5: Solve for x
    x = 293,634,966,544.76/762,517.19
  6. Step 6: Final answer
    x = 385,086.36

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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.