Home / 870,268.86-1,305,084.36-301,503.06

Finding the Fourth Proportional to 870,268.86, 1,305,084.36 and 301,503.06

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Solution

The fourth proportional to 870,268.86, 1,305,084.36 and 301,503.06 is: 452,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,268.86 : 1,305,084.36 = 301,503.06 : x
  2. Step 2: Convert to fraction form
    870,268.86/1,305,084.36 = 301,503.06/x
  3. Step 3: Cross multiply
    870,268.86x = 1,305,084.36 × 301,503.06
  4. Step 4: Simplify right side
    870,268.86x = 393,486,928,098.14
  5. Step 5: Solve for x
    x = 393,486,928,098.14/870,268.86
  6. Step 6: Final answer
    x = 452,144.10

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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.