Home / 720,389.71-1,079,725.68-335,622.43

Finding the Fourth Proportional to 720,389.71, 1,079,725.68 and 335,622.43

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Solution

The fourth proportional to 720,389.71, 1,079,725.68 and 335,622.43 is: 503,033.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,389.71 : 1,079,725.68 = 335,622.43 : x
  2. Step 2: Convert to fraction form
    720,389.71/1,079,725.68 = 335,622.43/x
  3. Step 3: Cross multiply
    720,389.71x = 1,079,725.68 × 335,622.43
  4. Step 4: Simplify right side
    720,389.71x = 362,380,156,455.00
  5. Step 5: Solve for x
    x = 362,380,156,455.00/720,389.71
  6. Step 6: Final answer
    x = 503,033.50

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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.