Home / 883,600.13-1,325,400.21-218,752.13

Finding the Fourth Proportional to 883,600.13, 1,325,400.21 and 218,752.13

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Solution

The fourth proportional to 883,600.13, 1,325,400.21 and 218,752.13 is: 328,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,600.13 : 1,325,400.21 = 218,752.13 : x
  2. Step 2: Convert to fraction form
    883,600.13/1,325,400.21 = 218,752.13/x
  3. Step 3: Cross multiply
    883,600.13x = 1,325,400.21 × 218,752.13
  4. Step 4: Simplify right side
    883,600.13x = 289,934,112,412.95
  5. Step 5: Solve for x
    x = 289,934,112,412.95/883,600.13
  6. Step 6: Final answer
    x = 328,128.19

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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.