Home / 909,087-1,363,827.34-348,121.52

Finding the Fourth Proportional to 909,087, 1,363,827.34 and 348,121.52

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Solution

The fourth proportional to 909,087, 1,363,827.34 and 348,121.52 is: 522,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,087 : 1,363,827.34 = 348,121.52 : x
  2. Step 2: Convert to fraction form
    909,087/1,363,827.34 = 348,121.52/x
  3. Step 3: Cross multiply
    909,087x = 1,363,827.34 × 348,121.52
  4. Step 4: Simplify right side
    909,087x = 474,777,646,618.36
  5. Step 5: Solve for x
    x = 474,777,646,618.36/909,087
  6. Step 6: Final answer
    x = 522,257.66

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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.