Home / 883,461.20-1,325,364.60-378,021.20

Finding the Fourth Proportional to 883,461.20, 1,325,364.60 and 378,021.20

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Solution

The fourth proportional to 883,461.20, 1,325,364.60 and 378,021.20 is: 567,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,461.20 : 1,325,364.60 = 378,021.20 : x
  2. Step 2: Convert to fraction form
    883,461.20/1,325,364.60 = 378,021.20/x
  3. Step 3: Cross multiply
    883,461.20x = 1,325,364.60 × 378,021.20
  4. Step 4: Simplify right side
    883,461.20x = 501,015,916,529.52
  5. Step 5: Solve for x
    x = 501,015,916,529.52/883,461.20
  6. Step 6: Final answer
    x = 567,105.74

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1.5x scale

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.