Home / 870,486.90-1,305,579.96-230,795.07

Finding the Fourth Proportional to 870,486.90, 1,305,579.96 and 230,795.07

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Solution

The fourth proportional to 870,486.90, 1,305,579.96 and 230,795.07 is: 346,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,486.90 : 1,305,579.96 = 230,795.07 : x
  2. Step 2: Convert to fraction form
    870,486.90/1,305,579.96 = 230,795.07/x
  3. Step 3: Cross multiply
    870,486.90x = 1,305,579.96 × 230,795.07
  4. Step 4: Simplify right side
    870,486.90x = 301,321,418,258.80
  5. Step 5: Solve for x
    x = 301,321,418,258.80/870,486.90
  6. Step 6: Final answer
    x = 346,152.73

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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.