Home / 719,382.54-1,078,971.75-245,999.10

Finding the Fourth Proportional to 719,382.54, 1,078,971.75 and 245,999.10

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Solution

The fourth proportional to 719,382.54, 1,078,971.75 and 245,999.10 is: 368,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,382.54 : 1,078,971.75 = 245,999.10 : x
  2. Step 2: Convert to fraction form
    719,382.54/1,078,971.75 = 245,999.10/x
  3. Step 3: Cross multiply
    719,382.54x = 1,078,971.75 × 245,999.10
  4. Step 4: Simplify right side
    719,382.54x = 265,426,083,471.57
  5. Step 5: Solve for x
    x = 265,426,083,471.57/719,382.54
  6. Step 6: Final answer
    x = 368,963.75

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1.5x scale

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.