Home / 790,058.44-1,090,279.94-445,966.80

Finding the Fourth Proportional to 790,058.44, 1,090,279.94 and 445,966.80

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Solution

The fourth proportional to 790,058.44, 1,090,279.94 and 445,966.80 is: 615,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,058.44 : 1,090,279.94 = 445,966.80 : x
  2. Step 2: Convert to fraction form
    790,058.44/1,090,279.94 = 445,966.80/x
  3. Step 3: Cross multiply
    790,058.44x = 1,090,279.94 × 445,966.80
  4. Step 4: Simplify right side
    790,058.44x = 486,228,655,945.99
  5. Step 5: Solve for x
    x = 486,228,655,945.99/790,058.44
  6. Step 6: Final answer
    x = 615,433.78

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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.