Home / 724,031.30-1,086,168.64-303,339.62

Finding the Fourth Proportional to 724,031.30, 1,086,168.64 and 303,339.62

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Solution

The fourth proportional to 724,031.30, 1,086,168.64 and 303,339.62 is: 455,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,031.30 : 1,086,168.64 = 303,339.62 : x
  2. Step 2: Convert to fraction form
    724,031.30/1,086,168.64 = 303,339.62/x
  3. Step 3: Cross multiply
    724,031.30x = 1,086,168.64 × 303,339.62
  4. Step 4: Simplify right side
    724,031.30x = 329,477,982,513.52
  5. Step 5: Solve for x
    x = 329,477,982,513.52/724,031.30
  6. Step 6: Final answer
    x = 455,060.41

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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.