Home / 810,893.19-1,119,015.09-448,332.33

Finding the Fourth Proportional to 810,893.19, 1,119,015.09 and 448,332.33

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Solution

The fourth proportional to 810,893.19, 1,119,015.09 and 448,332.33 is: 618,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,893.19 : 1,119,015.09 = 448,332.33 : x
  2. Step 2: Convert to fraction form
    810,893.19/1,119,015.09 = 448,332.33/x
  3. Step 3: Cross multiply
    810,893.19x = 1,119,015.09 × 448,332.33
  4. Step 4: Simplify right side
    810,893.19x = 501,690,642,604.86
  5. Step 5: Solve for x
    x = 501,690,642,604.86/810,893.19
  6. Step 6: Final answer
    x = 618,688.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.