Home / 906,140.20-1,359,404.70-275,117.80

Finding the Fourth Proportional to 906,140.20, 1,359,404.70 and 275,117.80

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Solution

The fourth proportional to 906,140.20, 1,359,404.70 and 275,117.80 is: 412,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,140.20 : 1,359,404.70 = 275,117.80 : x
  2. Step 2: Convert to fraction form
    906,140.20/1,359,404.70 = 275,117.80/x
  3. Step 3: Cross multiply
    906,140.20x = 1,359,404.70 × 275,117.80
  4. Step 4: Simplify right side
    906,140.20x = 373,996,430,373.66
  5. Step 5: Solve for x
    x = 373,996,430,373.66/906,140.20
  6. Step 6: Final answer
    x = 412,735.72

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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.