Home / 845,431.60-1,166,664.76-463,450.18

Finding the Fourth Proportional to 845,431.60, 1,166,664.76 and 463,450.18

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Solution

The fourth proportional to 845,431.60, 1,166,664.76 and 463,450.18 is: 639,544.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,431.60 : 1,166,664.76 = 463,450.18 : x
  2. Step 2: Convert to fraction form
    845,431.60/1,166,664.76 = 463,450.18/x
  3. Step 3: Cross multiply
    845,431.60x = 1,166,664.76 × 463,450.18
  4. Step 4: Simplify right side
    845,431.60x = 540,690,993,021.66
  5. Step 5: Solve for x
    x = 540,690,993,021.66/845,431.60
  6. Step 6: Final answer
    x = 639,544.34

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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.