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Finding the Fourth Proportional to 648,656.20, 895,200.90 and 362,231.64

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Solution

The fourth proportional to 648,656.20, 895,200.90 and 362,231.64 is: 499,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,656.20 : 895,200.90 = 362,231.64 : x
  2. Step 2: Convert to fraction form
    648,656.20/895,200.90 = 362,231.64/x
  3. Step 3: Cross multiply
    648,656.20x = 895,200.90 × 362,231.64
  4. Step 4: Simplify right side
    648,656.20x = 324,270,088,778.11
  5. Step 5: Solve for x
    x = 324,270,088,778.11/648,656.20
  6. Step 6: Final answer
    x = 499,910.57

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1.5x scale

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.