Home / 761,028.63-1,141,706.55-221,294.29

Finding the Fourth Proportional to 761,028.63, 1,141,706.55 and 221,294.29

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Solution

The fourth proportional to 761,028.63, 1,141,706.55 and 221,294.29 is: 331,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,028.63 : 1,141,706.55 = 221,294.29 : x
  2. Step 2: Convert to fraction form
    761,028.63/1,141,706.55 = 221,294.29/x
  3. Step 3: Cross multiply
    761,028.63x = 1,141,706.55 × 221,294.29
  4. Step 4: Simplify right side
    761,028.63x = 252,653,140,370.60
  5. Step 5: Solve for x
    x = 252,653,140,370.60/761,028.63
  6. Step 6: Final answer
    x = 331,989.01

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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.