Home / 613,490.25-846,397.38-355,226.21

Finding the Fourth Proportional to 613,490.25, 846,397.38 and 355,226.21

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Solution

The fourth proportional to 613,490.25, 846,397.38 and 355,226.21 is: 490,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,490.25 : 846,397.38 = 355,226.21 : x
  2. Step 2: Convert to fraction form
    613,490.25/846,397.38 = 355,226.21/x
  3. Step 3: Cross multiply
    613,490.25x = 846,397.38 × 355,226.21
  4. Step 4: Simplify right side
    613,490.25x = 300,662,533,725.43
  5. Step 5: Solve for x
    x = 300,662,533,725.43/613,490.25
  6. Step 6: Final answer
    x = 490,085.27

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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.