Home / 830,412.19-1,244,650.54-381,180.52

Finding the Fourth Proportional to 830,412.19, 1,244,650.54 and 381,180.52

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Solution

The fourth proportional to 830,412.19, 1,244,650.54 and 381,180.52 is: 571,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,412.19 : 1,244,650.54 = 381,180.52 : x
  2. Step 2: Convert to fraction form
    830,412.19/1,244,650.54 = 381,180.52/x
  3. Step 3: Cross multiply
    830,412.19x = 1,244,650.54 × 381,180.52
  4. Step 4: Simplify right side
    830,412.19x = 474,436,540,055.48
  5. Step 5: Solve for x
    x = 474,436,540,055.48/830,412.19
  6. Step 6: Final answer
    x = 571,326.56

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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.