Home / 704,912.85-1,057,410.02-199,431.50

Finding the Fourth Proportional to 704,912.85, 1,057,410.02 and 199,431.50

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Solution

The fourth proportional to 704,912.85, 1,057,410.02 and 199,431.50 is: 299,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,912.85 : 1,057,410.02 = 199,431.50 : x
  2. Step 2: Convert to fraction form
    704,912.85/1,057,410.02 = 199,431.50/x
  3. Step 3: Cross multiply
    704,912.85x = 1,057,410.02 × 199,431.50
  4. Step 4: Simplify right side
    704,912.85x = 210,880,861,615.16
  5. Step 5: Solve for x
    x = 210,880,861,615.16/704,912.85
  6. Step 6: Final answer
    x = 299,158.77

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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.