Home / 760,273.74-1,049,171.67-420,760.62

Finding the Fourth Proportional to 760,273.74, 1,049,171.67 and 420,760.62

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Solution

The fourth proportional to 760,273.74, 1,049,171.67 and 420,760.62 is: 580,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,273.74 : 1,049,171.67 = 420,760.62 : x
  2. Step 2: Convert to fraction form
    760,273.74/1,049,171.67 = 420,760.62/x
  3. Step 3: Cross multiply
    760,273.74x = 1,049,171.67 × 420,760.62
  4. Step 4: Simplify right side
    760,273.74x = 441,450,122,355.64
  5. Step 5: Solve for x
    x = 441,450,122,355.64/760,273.74
  6. Step 6: Final answer
    x = 580,646.28

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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.