Home / 724,355.60-1,086,533.40-325,009.40

Finding the Fourth Proportional to 724,355.60, 1,086,533.40 and 325,009.40

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Solution

The fourth proportional to 724,355.60, 1,086,533.40 and 325,009.40 is: 487,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,355.60 : 1,086,533.40 = 325,009.40 : x
  2. Step 2: Convert to fraction form
    724,355.60/1,086,533.40 = 325,009.40/x
  3. Step 3: Cross multiply
    724,355.60x = 1,086,533.40 × 325,009.40
  4. Step 4: Simplify right side
    724,355.60x = 353,133,568,413.96
  5. Step 5: Solve for x
    x = 353,133,568,413.96/724,355.60
  6. Step 6: Final answer
    x = 487,514.10

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Similar ratio
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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.