Home / 779,719.79-1,169,622.21-247,202.30

Finding the Fourth Proportional to 779,719.79, 1,169,622.21 and 247,202.30

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Solution

The fourth proportional to 779,719.79, 1,169,622.21 and 247,202.30 is: 370,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,719.79 : 1,169,622.21 = 247,202.30 : x
  2. Step 2: Convert to fraction form
    779,719.79/1,169,622.21 = 247,202.30/x
  3. Step 3: Cross multiply
    779,719.79x = 1,169,622.21 × 247,202.30
  4. Step 4: Simplify right side
    779,719.79x = 289,133,300,443.08
  5. Step 5: Solve for x
    x = 289,133,300,443.08/779,719.79
  6. Step 6: Final answer
    x = 370,816.93

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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.