Home / 780,081.37-1,170,345.03-460,524.79

Finding the Fourth Proportional to 780,081.37, 1,170,345.03 and 460,524.79

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Solution

The fourth proportional to 780,081.37, 1,170,345.03 and 460,524.79 is: 690,918.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,081.37 : 1,170,345.03 = 460,524.79 : x
  2. Step 2: Convert to fraction form
    780,081.37/1,170,345.03 = 460,524.79/x
  3. Step 3: Cross multiply
    780,081.37x = 1,170,345.03 × 460,524.79
  4. Step 4: Simplify right side
    780,081.37x = 538,972,900,199.48
  5. Step 5: Solve for x
    x = 538,972,900,199.48/780,081.37
  6. Step 6: Final answer
    x = 690,918.82

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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.