Home / 889,429.96-1,227,403.74-481,524.28

Finding the Fourth Proportional to 889,429.96, 1,227,403.74 and 481,524.28

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Solution

The fourth proportional to 889,429.96, 1,227,403.74 and 481,524.28 is: 664,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,429.96 : 1,227,403.74 = 481,524.28 : x
  2. Step 2: Convert to fraction form
    889,429.96/1,227,403.74 = 481,524.28/x
  3. Step 3: Cross multiply
    889,429.96x = 1,227,403.74 × 481,524.28
  4. Step 4: Simplify right side
    889,429.96x = 591,024,702,172.81
  5. Step 5: Solve for x
    x = 591,024,702,172.81/889,429.96
  6. Step 6: Final answer
    x = 664,498.31

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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.