Home / 945,664.40-1,419,418.20-472,883.60

Finding the Fourth Proportional to 945,664.40, 1,419,418.20 and 472,883.60

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Solution

The fourth proportional to 945,664.40, 1,419,418.20 and 472,883.60 is: 709,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,664.40 : 1,419,418.20 = 472,883.60 : x
  2. Step 2: Convert to fraction form
    945,664.40/1,419,418.20 = 472,883.60/x
  3. Step 3: Cross multiply
    945,664.40x = 1,419,418.20 × 472,883.60
  4. Step 4: Simplify right side
    945,664.40x = 671,219,588,321.52
  5. Step 5: Solve for x
    x = 671,219,588,321.52/945,664.40
  6. Step 6: Final answer
    x = 709,786.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.