Home / 852,268.34-1,176,090.36-489,436.40

Finding the Fourth Proportional to 852,268.34, 1,176,090.36 and 489,436.40

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Solution

The fourth proportional to 852,268.34, 1,176,090.36 and 489,436.40 is: 675,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,268.34 : 1,176,090.36 = 489,436.40 : x
  2. Step 2: Convert to fraction form
    852,268.34/1,176,090.36 = 489,436.40/x
  3. Step 3: Cross multiply
    852,268.34x = 1,176,090.36 × 489,436.40
  4. Step 4: Simplify right side
    852,268.34x = 575,621,431,873.10
  5. Step 5: Solve for x
    x = 575,621,431,873.10/852,268.34
  6. Step 6: Final answer
    x = 675,399.29

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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.