Home / 645,568.50-890,884.53-362,944.50

Finding the Fourth Proportional to 645,568.50, 890,884.53 and 362,944.50

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Solution

The fourth proportional to 645,568.50, 890,884.53 and 362,944.50 is: 500,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,568.50 : 890,884.53 = 362,944.50 : x
  2. Step 2: Convert to fraction form
    645,568.50/890,884.53 = 362,944.50/x
  3. Step 3: Cross multiply
    645,568.50x = 890,884.53 × 362,944.50
  4. Step 4: Simplify right side
    645,568.50x = 323,341,640,298.59
  5. Step 5: Solve for x
    x = 323,341,640,298.59/645,568.50
  6. Step 6: Final answer
    x = 500,863.41

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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.