Home / 723,330.15-1,085,040.32-190,851.69

Finding the Fourth Proportional to 723,330.15, 1,085,040.32 and 190,851.69

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Solution

The fourth proportional to 723,330.15, 1,085,040.32 and 190,851.69 is: 286,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,330.15 : 1,085,040.32 = 190,851.69 : x
  2. Step 2: Convert to fraction form
    723,330.15/1,085,040.32 = 190,851.69/x
  3. Step 3: Cross multiply
    723,330.15x = 1,085,040.32 × 190,851.69
  4. Step 4: Simplify right side
    723,330.15x = 207,081,778,790.14
  5. Step 5: Solve for x
    x = 207,081,778,790.14/723,330.15
  6. Step 6: Final answer
    x = 286,289.43

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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.