Home / 780,559.62-1,077,226.73-436,462.57

Finding the Fourth Proportional to 780,559.62, 1,077,226.73 and 436,462.57

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Solution

The fourth proportional to 780,559.62, 1,077,226.73 and 436,462.57 is: 602,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,559.62 : 1,077,226.73 = 436,462.57 : x
  2. Step 2: Convert to fraction form
    780,559.62/1,077,226.73 = 436,462.57/x
  3. Step 3: Cross multiply
    780,559.62x = 1,077,226.73 × 436,462.57
  4. Step 4: Simplify right side
    780,559.62x = 470,169,147,048.50
  5. Step 5: Solve for x
    x = 470,169,147,048.50/780,559.62
  6. Step 6: Final answer
    x = 602,348.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.