Home / 760,911.73-1,141,098.36-221,055.69

Finding the Fourth Proportional to 760,911.73, 1,141,098.36 and 221,055.69

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Solution

The fourth proportional to 760,911.73, 1,141,098.36 and 221,055.69 is: 331,505.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,911.73 : 1,141,098.36 = 221,055.69 : x
  2. Step 2: Convert to fraction form
    760,911.73/1,141,098.36 = 221,055.69/x
  3. Step 3: Cross multiply
    760,911.73x = 1,141,098.36 × 221,055.69
  4. Step 4: Simplify right side
    760,911.73x = 252,246,281,048.55
  5. Step 5: Solve for x
    x = 252,246,281,048.55/760,911.73
  6. Step 6: Final answer
    x = 331,505.31

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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.