Home / 889,212.46-1,227,116.26-481,314.19

Finding the Fourth Proportional to 889,212.46, 1,227,116.26 and 481,314.19

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Solution

The fourth proportional to 889,212.46, 1,227,116.26 and 481,314.19 is: 664,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,212.46 : 1,227,116.26 = 481,314.19 : x
  2. Step 2: Convert to fraction form
    889,212.46/1,227,116.26 = 481,314.19/x
  3. Step 3: Cross multiply
    889,212.46x = 1,227,116.26 × 481,314.19
  4. Step 4: Simplify right side
    889,212.46x = 590,628,470,117.22
  5. Step 5: Solve for x
    x = 590,628,470,117.22/889,212.46
  6. Step 6: Final answer
    x = 664,215.24

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Half scale
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Double scale
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Similar ratio
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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.