Home / 761,579.40-1,140,553.21-441,054.05

Finding the Fourth Proportional to 761,579.40, 1,140,553.21 and 441,054.05

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Solution

The fourth proportional to 761,579.40, 1,140,553.21 and 441,054.05 is: 660,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,579.40 : 1,140,553.21 = 441,054.05 : x
  2. Step 2: Convert to fraction form
    761,579.40/1,140,553.21 = 441,054.05/x
  3. Step 3: Cross multiply
    761,579.40x = 1,140,553.21 × 441,054.05
  4. Step 4: Simplify right side
    761,579.40x = 503,045,609,120.17
  5. Step 5: Solve for x
    x = 503,045,609,120.17/761,579.40
  6. Step 6: Final answer
    x = 660,529.43

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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.