Home / 851,958.08-1,175,662.56-489,126.52

Finding the Fourth Proportional to 851,958.08, 1,175,662.56 and 489,126.52

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Solution

The fourth proportional to 851,958.08, 1,175,662.56 and 489,126.52 is: 674,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,958.08 : 1,175,662.56 = 489,126.52 : x
  2. Step 2: Convert to fraction form
    851,958.08/1,175,662.56 = 489,126.52/x
  3. Step 3: Cross multiply
    851,958.08x = 1,175,662.56 × 489,126.52
  4. Step 4: Simplify right side
    851,958.08x = 575,047,736,667.09
  5. Step 5: Solve for x
    x = 575,047,736,667.09/851,958.08
  6. Step 6: Final answer
    x = 674,971.87

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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.