Home / 790,247.47-1,090,542.89-427,671.63

Finding the Fourth Proportional to 790,247.47, 1,090,542.89 and 427,671.63

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Solution

The fourth proportional to 790,247.47, 1,090,542.89 and 427,671.63 is: 590,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,247.47 : 1,090,542.89 = 427,671.63 : x
  2. Step 2: Convert to fraction form
    790,247.47/1,090,542.89 = 427,671.63/x
  3. Step 3: Cross multiply
    790,247.47x = 1,090,542.89 × 427,671.63
  4. Step 4: Simplify right side
    790,247.47x = 466,394,247,760.14
  5. Step 5: Solve for x
    x = 466,394,247,760.14/790,247.47
  6. Step 6: Final answer
    x = 590,187.59

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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.