Home / 724,967.64-1,088,143.38-445,031.64

Finding the Fourth Proportional to 724,967.64, 1,088,143.38 and 445,031.64

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Solution

The fourth proportional to 724,967.64, 1,088,143.38 and 445,031.64 is: 667,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,967.64 : 1,088,143.38 = 445,031.64 : x
  2. Step 2: Convert to fraction form
    724,967.64/1,088,143.38 = 445,031.64/x
  3. Step 3: Cross multiply
    724,967.64x = 1,088,143.38 × 445,031.64
  4. Step 4: Simplify right side
    724,967.64x = 484,258,232,956.54
  5. Step 5: Solve for x
    x = 484,258,232,956.54/724,967.64
  6. Step 6: Final answer
    x = 667,972.20

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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.