Home / 838,873.89-1,258,004.66-306,237.33

Finding the Fourth Proportional to 838,873.89, 1,258,004.66 and 306,237.33

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Solution

The fourth proportional to 838,873.89, 1,258,004.66 and 306,237.33 is: 459,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,873.89 : 1,258,004.66 = 306,237.33 : x
  2. Step 2: Convert to fraction form
    838,873.89/1,258,004.66 = 306,237.33/x
  3. Step 3: Cross multiply
    838,873.89x = 1,258,004.66 × 306,237.33
  4. Step 4: Simplify right side
    838,873.89x = 385,247,986,674.77
  5. Step 5: Solve for x
    x = 385,247,986,674.77/838,873.89
  6. Step 6: Final answer
    x = 459,244.22

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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.