Home / 450,928.09-622,258.59-246,979.90

Finding the Fourth Proportional to 450,928.09, 622,258.59 and 246,979.90

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Solution

The fourth proportional to 450,928.09, 622,258.59 and 246,979.90 is: 340,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,928.09 : 622,258.59 = 246,979.90 : x
  2. Step 2: Convert to fraction form
    450,928.09/622,258.59 = 246,979.90/x
  3. Step 3: Cross multiply
    450,928.09x = 622,258.59 × 246,979.90
  4. Step 4: Simplify right side
    450,928.09x = 153,685,364,332.34
  5. Step 5: Solve for x
    x = 153,685,364,332.34/450,928.09
  6. Step 6: Final answer
    x = 340,820.12

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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.