Home / 883,510.80-1,325,266.20-218,662.80

Finding the Fourth Proportional to 883,510.80, 1,325,266.20 and 218,662.80

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Solution

The fourth proportional to 883,510.80, 1,325,266.20 and 218,662.80 is: 327,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,510.80 : 1,325,266.20 = 218,662.80 : x
  2. Step 2: Convert to fraction form
    883,510.80/1,325,266.20 = 218,662.80/x
  3. Step 3: Cross multiply
    883,510.80x = 1,325,266.20 × 218,662.80
  4. Step 4: Simplify right side
    883,510.80x = 289,786,418,037.36
  5. Step 5: Solve for x
    x = 289,786,418,037.36/883,510.80
  6. Step 6: Final answer
    x = 327,994.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.