Home / 909,236.34-1,363,909.14-278,155.62

Finding the Fourth Proportional to 909,236.34, 1,363,909.14 and 278,155.62

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Solution

The fourth proportional to 909,236.34, 1,363,909.14 and 278,155.62 is: 417,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,236.34 : 1,363,909.14 = 278,155.62 : x
  2. Step 2: Convert to fraction form
    909,236.34/1,363,909.14 = 278,155.62/x
  3. Step 3: Cross multiply
    909,236.34x = 1,363,909.14 × 278,155.62
  4. Step 4: Simplify right side
    909,236.34x = 379,378,992,460.37
  5. Step 5: Solve for x
    x = 379,378,992,460.37/909,236.34
  6. Step 6: Final answer
    x = 417,250.14

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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.