Home / 780,559.44-1,169,999.28-510,585.72

Finding the Fourth Proportional to 780,559.44, 1,169,999.28 and 510,585.72

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Solution

The fourth proportional to 780,559.44, 1,169,999.28 and 510,585.72 is: 765,329.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,559.44 : 1,169,999.28 = 510,585.72 : x
  2. Step 2: Convert to fraction form
    780,559.44/1,169,999.28 = 510,585.72/x
  3. Step 3: Cross multiply
    780,559.44x = 1,169,999.28 × 510,585.72
  4. Step 4: Simplify right side
    780,559.44x = 597,384,924,778.28
  5. Step 5: Solve for x
    x = 597,384,924,778.28/780,559.44
  6. Step 6: Final answer
    x = 765,329.19

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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.