Home / 909,335.62-1,363,607.78-260,768.98

Finding the Fourth Proportional to 909,335.62, 1,363,607.78 and 260,768.98

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Solution

The fourth proportional to 909,335.62, 1,363,607.78 and 260,768.98 is: 391,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,335.62 : 1,363,607.78 = 260,768.98 : x
  2. Step 2: Convert to fraction form
    909,335.62/1,363,607.78 = 260,768.98/x
  3. Step 3: Cross multiply
    909,335.62x = 1,363,607.78 × 260,768.98
  4. Step 4: Simplify right side
    909,335.62x = 355,586,609,910.66
  5. Step 5: Solve for x
    x = 355,586,609,910.66/909,335.62
  6. Step 6: Final answer
    x = 391,040.01

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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.