Home / 420,828.04-580,557.67-250,963.75

Finding the Fourth Proportional to 420,828.04, 580,557.67 and 250,963.75

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Solution

The fourth proportional to 420,828.04, 580,557.67 and 250,963.75 is: 346,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,828.04 : 580,557.67 = 250,963.75 : x
  2. Step 2: Convert to fraction form
    420,828.04/580,557.67 = 250,963.75/x
  3. Step 3: Cross multiply
    420,828.04x = 580,557.67 × 250,963.75
  4. Step 4: Simplify right side
    420,828.04x = 145,698,929,954.46
  5. Step 5: Solve for x
    x = 145,698,929,954.46/420,828.04
  6. Step 6: Final answer
    x = 346,219.63

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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.