Home / 412,077.74-619,063.98-290,777.39

Finding the Fourth Proportional to 412,077.74, 619,063.98 and 290,777.39

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Solution

The fourth proportional to 412,077.74, 619,063.98 and 290,777.39 is: 436,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,077.74 : 619,063.98 = 290,777.39 : x
  2. Step 2: Convert to fraction form
    412,077.74/619,063.98 = 290,777.39/x
  3. Step 3: Cross multiply
    412,077.74x = 619,063.98 × 290,777.39
  4. Step 4: Simplify right side
    412,077.74x = 180,009,805,252.09
  5. Step 5: Solve for x
    x = 180,009,805,252.09/412,077.74
  6. Step 6: Final answer
    x = 436,834.58

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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.