Home / 909,491.24-1,363,840.82-260,924.34

Finding the Fourth Proportional to 909,491.24, 1,363,840.82 and 260,924.34

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Solution

The fourth proportional to 909,491.24, 1,363,840.82 and 260,924.34 is: 391,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,491.24 : 1,363,840.82 = 260,924.34 : x
  2. Step 2: Convert to fraction form
    909,491.24/1,363,840.82 = 260,924.34/x
  3. Step 3: Cross multiply
    909,491.24x = 1,363,840.82 × 260,924.34
  4. Step 4: Simplify right side
    909,491.24x = 355,859,270,611.81
  5. Step 5: Solve for x
    x = 355,859,270,611.81/909,491.24
  6. Step 6: Final answer
    x = 391,272.90

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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.