Home / 870,485.40-1,305,577.71-230,793.57

Finding the Fourth Proportional to 870,485.40, 1,305,577.71 and 230,793.57

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Solution

The fourth proportional to 870,485.40, 1,305,577.71 and 230,793.57 is: 346,150.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,485.40 : 1,305,577.71 = 230,793.57 : x
  2. Step 2: Convert to fraction form
    870,485.40/1,305,577.71 = 230,793.57/x
  3. Step 3: Cross multiply
    870,485.40x = 1,305,577.71 × 230,793.57
  4. Step 4: Simplify right side
    870,485.40x = 301,318,940,603.33
  5. Step 5: Solve for x
    x = 301,318,940,603.33/870,485.40
  6. Step 6: Final answer
    x = 346,150.48

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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.