Home / 839,882.08-1,158,987.32-477,255.61

Finding the Fourth Proportional to 839,882.08, 1,158,987.32 and 477,255.61

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Solution

The fourth proportional to 839,882.08, 1,158,987.32 and 477,255.61 is: 658,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,882.08 : 1,158,987.32 = 477,255.61 : x
  2. Step 2: Convert to fraction form
    839,882.08/1,158,987.32 = 477,255.61/x
  3. Step 3: Cross multiply
    839,882.08x = 1,158,987.32 × 477,255.61
  4. Step 4: Simplify right side
    839,882.08x = 553,133,201,241.03
  5. Step 5: Solve for x
    x = 553,133,201,241.03/839,882.08
  6. Step 6: Final answer
    x = 658,584.36

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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.