Home / 862,058.45-1,189,734.09-474,913.54

Finding the Fourth Proportional to 862,058.45, 1,189,734.09 and 474,913.54

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Solution

The fourth proportional to 862,058.45, 1,189,734.09 and 474,913.54 is: 655,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,058.45 : 1,189,734.09 = 474,913.54 : x
  2. Step 2: Convert to fraction form
    862,058.45/1,189,734.09 = 474,913.54/x
  3. Step 3: Cross multiply
    862,058.45x = 1,189,734.09 × 474,913.54
  4. Step 4: Simplify right side
    862,058.45x = 565,020,824,025.96
  5. Step 5: Solve for x
    x = 565,020,824,025.96/862,058.45
  6. Step 6: Final answer
    x = 655,432.15

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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.