Home / 679,300.20-1,019,606.40-413,579.70

Finding the Fourth Proportional to 679,300.20, 1,019,606.40 and 413,579.70

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Solution

The fourth proportional to 679,300.20, 1,019,606.40 and 413,579.70 is: 620,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,300.20 : 1,019,606.40 = 413,579.70 : x
  2. Step 2: Convert to fraction form
    679,300.20/1,019,606.40 = 413,579.70/x
  3. Step 3: Cross multiply
    679,300.20x = 1,019,606.40 × 413,579.70
  4. Step 4: Simplify right side
    679,300.20x = 421,688,509,030.08
  5. Step 5: Solve for x
    x = 421,688,509,030.08/679,300.20
  6. Step 6: Final answer
    x = 620,769.00

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