Home / 909,233.60-1,363,800.96-278,147.40

Finding the Fourth Proportional to 909,233.60, 1,363,800.96 and 278,147.40

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Solution

The fourth proportional to 909,233.60, 1,363,800.96 and 278,147.40 is: 417,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,233.60 : 1,363,800.96 = 278,147.40 : x
  2. Step 2: Convert to fraction form
    909,233.60/1,363,800.96 = 278,147.40/x
  3. Step 3: Cross multiply
    909,233.60x = 1,363,800.96 × 278,147.40
  4. Step 4: Simplify right side
    909,233.60x = 379,337,691,141.50
  5. Step 5: Solve for x
    x = 379,337,691,141.50/909,233.60
  6. Step 6: Final answer
    x = 417,205.98

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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.