Home / 870,436.60-1,305,841.48-263,173.01

Finding the Fourth Proportional to 870,436.60, 1,305,841.48 and 263,173.01

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Solution

The fourth proportional to 870,436.60, 1,305,841.48 and 263,173.01 is: 394,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,436.60 : 1,305,841.48 = 263,173.01 : x
  2. Step 2: Convert to fraction form
    870,436.60/1,305,841.48 = 263,173.01/x
  3. Step 3: Cross multiply
    870,436.60x = 1,305,841.48 × 263,173.01
  4. Step 4: Simplify right side
    870,436.60x = 343,662,225,687.32
  5. Step 5: Solve for x
    x = 343,662,225,687.32/870,436.60
  6. Step 6: Final answer
    x = 394,815.92

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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.