Home / 889,418.48-1,227,397.96-481,520.40

Finding the Fourth Proportional to 889,418.48, 1,227,397.96 and 481,520.40

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Solution

The fourth proportional to 889,418.48, 1,227,397.96 and 481,520.40 is: 664,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,418.48 : 1,227,397.96 = 481,520.40 : x
  2. Step 2: Convert to fraction form
    889,418.48/1,227,397.96 = 481,520.40/x
  3. Step 3: Cross multiply
    889,418.48x = 1,227,397.96 × 481,520.40
  4. Step 4: Simplify right side
    889,418.48x = 591,017,152,657.54
  5. Step 5: Solve for x
    x = 591,017,152,657.54/889,418.48
  6. Step 6: Final answer
    x = 664,498.40

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Double scale
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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.