Home / 509,656.03-765,074.61-273,460.03

Finding the Fourth Proportional to 509,656.03, 765,074.61 and 273,460.03

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Solution

The fourth proportional to 509,656.03, 765,074.61 and 273,460.03 is: 410,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,656.03 : 765,074.61 = 273,460.03 : x
  2. Step 2: Convert to fraction form
    509,656.03/765,074.61 = 273,460.03/x
  3. Step 3: Cross multiply
    509,656.03x = 765,074.61 × 273,460.03
  4. Step 4: Simplify right side
    509,656.03x = 209,217,325,802.84
  5. Step 5: Solve for x
    x = 209,217,325,802.84/509,656.03
  6. Step 6: Final answer
    x = 410,506.92

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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.