Home / 790,196.28-1,185,174.12-257,716.46

Finding the Fourth Proportional to 790,196.28, 1,185,174.12 and 257,716.46

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Solution

The fourth proportional to 790,196.28, 1,185,174.12 and 257,716.46 is: 386,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,196.28 : 1,185,174.12 = 257,716.46 : x
  2. Step 2: Convert to fraction form
    790,196.28/1,185,174.12 = 257,716.46/x
  3. Step 3: Cross multiply
    790,196.28x = 1,185,174.12 × 257,716.46
  4. Step 4: Simplify right side
    790,196.28x = 305,438,878,690.02
  5. Step 5: Solve for x
    x = 305,438,878,690.02/790,196.28
  6. Step 6: Final answer
    x = 386,535.46

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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.