Home / 757,704.20-1,045,767.26-451,800.28

Finding the Fourth Proportional to 757,704.20, 1,045,767.26 and 451,800.28

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Solution

The fourth proportional to 757,704.20, 1,045,767.26 and 451,800.28 is: 623,565.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,704.20 : 1,045,767.26 = 451,800.28 : x
  2. Step 2: Convert to fraction form
    757,704.20/1,045,767.26 = 451,800.28/x
  3. Step 3: Cross multiply
    757,704.20x = 1,045,767.26 × 451,800.28
  4. Step 4: Simplify right side
    757,704.20x = 472,477,940,882.83
  5. Step 5: Solve for x
    x = 472,477,940,882.83/757,704.20
  6. Step 6: Final answer
    x = 623,565.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.