Home / 800,431.64-1,104,622.02-437,847.20

Finding the Fourth Proportional to 800,431.64, 1,104,622.02 and 437,847.20

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Solution

The fourth proportional to 800,431.64, 1,104,622.02 and 437,847.20 is: 604,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,431.64 : 1,104,622.02 = 437,847.20 : x
  2. Step 2: Convert to fraction form
    800,431.64/1,104,622.02 = 437,847.20/x
  3. Step 3: Cross multiply
    800,431.64x = 1,104,622.02 × 437,847.20
  4. Step 4: Simplify right side
    800,431.64x = 483,655,658,515.34
  5. Step 5: Solve for x
    x = 483,655,658,515.34/800,431.64
  6. Step 6: Final answer
    x = 604,243.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.