Home / 839,879.28-1,158,983.44-477,252.81

Finding the Fourth Proportional to 839,879.28, 1,158,983.44 and 477,252.81

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Solution

The fourth proportional to 839,879.28, 1,158,983.44 and 477,252.81 is: 658,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,879.28 : 1,158,983.44 = 477,252.81 : x
  2. Step 2: Convert to fraction form
    839,879.28/1,158,983.44 = 477,252.81/x
  3. Step 3: Cross multiply
    839,879.28x = 1,158,983.44 × 477,252.81
  4. Step 4: Simplify right side
    839,879.28x = 553,128,102,290.33
  5. Step 5: Solve for x
    x = 553,128,102,290.33/839,879.28
  6. Step 6: Final answer
    x = 658,580.48

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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.