Home / 889,346.18-1,227,297.45-481,447.71

Finding the Fourth Proportional to 889,346.18, 1,227,297.45 and 481,447.71

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Solution

The fourth proportional to 889,346.18, 1,227,297.45 and 481,447.71 is: 664,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,346.18 : 1,227,297.45 = 481,447.71 : x
  2. Step 2: Convert to fraction form
    889,346.18/1,227,297.45 = 481,447.71/x
  3. Step 3: Cross multiply
    889,346.18x = 1,227,297.45 × 481,447.71
  4. Step 4: Simplify right side
    889,346.18x = 590,879,546,791.34
  5. Step 5: Solve for x
    x = 590,879,546,791.34/889,346.18
  6. Step 6: Final answer
    x = 664,397.69

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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.