Home / 645,890.38-968,901.63-246,867.01

Finding the Fourth Proportional to 645,890.38, 968,901.63 and 246,867.01

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Solution

The fourth proportional to 645,890.38, 968,901.63 and 246,867.01 is: 370,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,890.38 : 968,901.63 = 246,867.01 : x
  2. Step 2: Convert to fraction form
    645,890.38/968,901.63 = 246,867.01/x
  3. Step 3: Cross multiply
    645,890.38x = 968,901.63 × 246,867.01
  4. Step 4: Simplify right side
    645,890.38x = 239,189,848,382.23
  5. Step 5: Solve for x
    x = 239,189,848,382.23/645,890.38
  6. Step 6: Final answer
    x = 370,325.76

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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.