Home / 906,285.48-1,359,339.90-275,204.76

Finding the Fourth Proportional to 906,285.48, 1,359,339.90 and 275,204.76

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Solution

The fourth proportional to 906,285.48, 1,359,339.90 and 275,204.76 is: 412,780.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,285.48 : 1,359,339.90 = 275,204.76 : x
  2. Step 2: Convert to fraction form
    906,285.48/1,359,339.90 = 275,204.76/x
  3. Step 3: Cross multiply
    906,285.48x = 1,359,339.90 × 275,204.76
  4. Step 4: Simplify right side
    906,285.48x = 374,096,810,937.92
  5. Step 5: Solve for x
    x = 374,096,810,937.92/906,285.48
  6. Step 6: Final answer
    x = 412,780.32

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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.