Home / 790,411.01-1,185,805.13-257,933.03

Finding the Fourth Proportional to 790,411.01, 1,185,805.13 and 257,933.03

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Solution

The fourth proportional to 790,411.01, 1,185,805.13 and 257,933.03 is: 386,961.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,411.01 : 1,185,805.13 = 257,933.03 : x
  2. Step 2: Convert to fraction form
    790,411.01/1,185,805.13 = 257,933.03/x
  3. Step 3: Cross multiply
    790,411.01x = 1,185,805.13 × 257,933.03
  4. Step 4: Simplify right side
    790,411.01x = 305,858,302,951.75
  5. Step 5: Solve for x
    x = 305,858,302,951.75/790,411.01
  6. Step 6: Final answer
    x = 386,961.09

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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.