Home / 438,368.88-604,914.60-268,579.92

Finding the Fourth Proportional to 438,368.88, 604,914.60 and 268,579.92

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Solution

The fourth proportional to 438,368.88, 604,914.60 and 268,579.92 is: 370,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,368.88 : 604,914.60 = 268,579.92 : x
  2. Step 2: Convert to fraction form
    438,368.88/604,914.60 = 268,579.92/x
  3. Step 3: Cross multiply
    438,368.88x = 604,914.60 × 268,579.92
  4. Step 4: Simplify right side
    438,368.88x = 162,467,914,874.83
  5. Step 5: Solve for x
    x = 162,467,914,874.83/438,368.88
  6. Step 6: Final answer
    x = 370,619.18

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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.