Home / 547,069.10-821,448.45-298,237.10

Finding the Fourth Proportional to 547,069.10, 821,448.45 and 298,237.10

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Solution

The fourth proportional to 547,069.10, 821,448.45 and 298,237.10 is: 447,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,069.10 : 821,448.45 = 298,237.10 : x
  2. Step 2: Convert to fraction form
    547,069.10/821,448.45 = 298,237.10/x
  3. Step 3: Cross multiply
    547,069.10x = 821,448.45 × 298,237.10
  4. Step 4: Simplify right side
    547,069.10x = 244,986,403,527.50
  5. Step 5: Solve for x
    x = 244,986,403,527.50/547,069.10
  6. Step 6: Final answer
    x = 447,816.20

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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.