Home / 889,639.56-1,227,705.12-481,746.24

Finding the Fourth Proportional to 889,639.56, 1,227,705.12 and 481,746.24

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Solution

The fourth proportional to 889,639.56, 1,227,705.12 and 481,746.24 is: 664,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,639.56 : 1,227,705.12 = 481,746.24 : x
  2. Step 2: Convert to fraction form
    889,639.56/1,227,705.12 = 481,746.24/x
  3. Step 3: Cross multiply
    889,639.56x = 1,227,705.12 × 481,746.24
  4. Step 4: Simplify right side
    889,639.56x = 591,442,325,388.75
  5. Step 5: Solve for x
    x = 591,442,325,388.75/889,639.56
  6. Step 6: Final answer
    x = 664,811.18

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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.