Home / 751,395.85-1,127,106.09-218,946.13

Finding the Fourth Proportional to 751,395.85, 1,127,106.09 and 218,946.13

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Solution

The fourth proportional to 751,395.85, 1,127,106.09 and 218,946.13 is: 328,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,395.85 : 1,127,106.09 = 218,946.13 : x
  2. Step 2: Convert to fraction form
    751,395.85/1,127,106.09 = 218,946.13/x
  3. Step 3: Cross multiply
    751,395.85x = 1,127,106.09 × 218,946.13
  4. Step 4: Simplify right side
    751,395.85x = 246,775,516,504.93
  5. Step 5: Solve for x
    x = 246,775,516,504.93/751,395.85
  6. Step 6: Final answer
    x = 328,422.78

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Double scale
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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.