Home / 648,299.18-894,769.96-386,671.25

Finding the Fourth Proportional to 648,299.18, 894,769.96 and 386,671.25

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Solution

The fourth proportional to 648,299.18, 894,769.96 and 386,671.25 is: 533,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,299.18 : 894,769.96 = 386,671.25 : x
  2. Step 2: Convert to fraction form
    648,299.18/894,769.96 = 386,671.25/x
  3. Step 3: Cross multiply
    648,299.18x = 894,769.96 × 386,671.25
  4. Step 4: Simplify right side
    648,299.18x = 345,981,815,692.05
  5. Step 5: Solve for x
    x = 345,981,815,692.05/648,299.18
  6. Step 6: Final answer
    x = 533,676.16

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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.