Home / 790,185.52-1,090,447.70-427,601.44

Finding the Fourth Proportional to 790,185.52, 1,090,447.70 and 427,601.44

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Solution

The fourth proportional to 790,185.52, 1,090,447.70 and 427,601.44 is: 590,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,185.52 : 1,090,447.70 = 427,601.44 : x
  2. Step 2: Convert to fraction form
    790,185.52/1,090,447.70 = 427,601.44/x
  3. Step 3: Cross multiply
    790,185.52x = 1,090,447.70 × 427,601.44
  4. Step 4: Simplify right side
    790,185.52x = 466,277,006,764.69
  5. Step 5: Solve for x
    x = 466,277,006,764.69/790,185.52
  6. Step 6: Final answer
    x = 590,085.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.