Home / 712,884.21-1,068,976.39-352,638.83

Finding the Fourth Proportional to 712,884.21, 1,068,976.39 and 352,638.83

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Solution

The fourth proportional to 712,884.21, 1,068,976.39 and 352,638.83 is: 528,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,884.21 : 1,068,976.39 = 352,638.83 : x
  2. Step 2: Convert to fraction form
    712,884.21/1,068,976.39 = 352,638.83/x
  3. Step 3: Cross multiply
    712,884.21x = 1,068,976.39 × 352,638.83
  4. Step 4: Simplify right side
    712,884.21x = 376,962,585,919.27
  5. Step 5: Solve for x
    x = 376,962,585,919.27/712,884.21
  6. Step 6: Final answer
    x = 528,785.16

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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.