Home / 389,719.20-583,412.40-366,650.40

Finding the Fourth Proportional to 389,719.20, 583,412.40 and 366,650.40

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Solution

The fourth proportional to 389,719.20, 583,412.40 and 366,650.40 is: 548,878.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,719.20 : 583,412.40 = 366,650.40 : x
  2. Step 2: Convert to fraction form
    389,719.20/583,412.40 = 366,650.40/x
  3. Step 3: Cross multiply
    389,719.20x = 583,412.40 × 366,650.40
  4. Step 4: Simplify right side
    389,719.20x = 213,908,389,824.96
  5. Step 5: Solve for x
    x = 213,908,389,824.96/389,719.20
  6. Step 6: Final answer
    x = 548,878.24

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