Home / 723,982.60-1,086,233.10-303,387.40

Finding the Fourth Proportional to 723,982.60, 1,086,233.10 and 303,387.40

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Solution

The fourth proportional to 723,982.60, 1,086,233.10 and 303,387.40 is: 455,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,982.60 : 1,086,233.10 = 303,387.40 : x
  2. Step 2: Convert to fraction form
    723,982.60/1,086,233.10 = 303,387.40/x
  3. Step 3: Cross multiply
    723,982.60x = 1,086,233.10 × 303,387.40
  4. Step 4: Simplify right side
    723,982.60x = 329,549,436,002.94
  5. Step 5: Solve for x
    x = 329,549,436,002.94/723,982.60
  6. Step 6: Final answer
    x = 455,189.72

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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.