Home / 553,635.24-764,016.60-298,986.40

Finding the Fourth Proportional to 553,635.24, 764,016.60 and 298,986.40

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Solution

The fourth proportional to 553,635.24, 764,016.60 and 298,986.40 is: 412,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,635.24 : 764,016.60 = 298,986.40 : x
  2. Step 2: Convert to fraction form
    553,635.24/764,016.60 = 298,986.40/x
  3. Step 3: Cross multiply
    553,635.24x = 764,016.60 × 298,986.40
  4. Step 4: Simplify right side
    553,635.24x = 228,430,572,774.24
  5. Step 5: Solve for x
    x = 228,430,572,774.24/553,635.24
  6. Step 6: Final answer
    x = 412,601.22

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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.