Home / 751,569.10-1,127,540.49-219,094.81

Finding the Fourth Proportional to 751,569.10, 1,127,540.49 and 219,094.81

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Solution

The fourth proportional to 751,569.10, 1,127,540.49 and 219,094.81 is: 328,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,569.10 : 1,127,540.49 = 219,094.81 : x
  2. Step 2: Convert to fraction form
    751,569.10/1,127,540.49 = 219,094.81/x
  3. Step 3: Cross multiply
    751,569.10x = 1,127,540.49 × 219,094.81
  4. Step 4: Simplify right side
    751,569.10x = 247,038,269,423.86
  5. Step 5: Solve for x
    x = 247,038,269,423.86/751,569.10
  6. Step 6: Final answer
    x = 328,696.68

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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.