Home / 638,504.70-958,039.35-334,826.29

Finding the Fourth Proportional to 638,504.70, 958,039.35 and 334,826.29

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Solution

The fourth proportional to 638,504.70, 958,039.35 and 334,826.29 is: 502,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,504.70 : 958,039.35 = 334,826.29 : x
  2. Step 2: Convert to fraction form
    638,504.70/958,039.35 = 334,826.29/x
  3. Step 3: Cross multiply
    638,504.70x = 958,039.35 × 334,826.29
  4. Step 4: Simplify right side
    638,504.70x = 320,776,761,234.51
  5. Step 5: Solve for x
    x = 320,776,761,234.51/638,504.70
  6. Step 6: Final answer
    x = 502,387.47

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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.