Home / 724,823.40-1,086,846.30-303,623.40

Finding the Fourth Proportional to 724,823.40, 1,086,846.30 and 303,623.40

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Solution

The fourth proportional to 724,823.40, 1,086,846.30 and 303,623.40 is: 455,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,823.40 : 1,086,846.30 = 303,623.40 : x
  2. Step 2: Convert to fraction form
    724,823.40/1,086,846.30 = 303,623.40/x
  3. Step 3: Cross multiply
    724,823.40x = 1,086,846.30 × 303,623.40
  4. Step 4: Simplify right side
    724,823.40x = 329,991,968,883.42
  5. Step 5: Solve for x
    x = 329,991,968,883.42/724,823.40
  6. Step 6: Final answer
    x = 455,272.23

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1.5x scale

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.