Home / 648,511.20-894,852.90-362,025

Finding the Fourth Proportional to 648,511.20, 894,852.90 and 362,025

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Solution

The fourth proportional to 648,511.20, 894,852.90 and 362,025 is: 499,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,511.20 : 894,852.90 = 362,025 : x
  2. Step 2: Convert to fraction form
    648,511.20/894,852.90 = 362,025/x
  3. Step 3: Cross multiply
    648,511.20x = 894,852.90 × 362,025
  4. Step 4: Simplify right side
    648,511.20x = 323,959,121,122.50
  5. Step 5: Solve for x
    x = 323,959,121,122.50/648,511.20
  6. Step 6: Final answer
    x = 499,542.83

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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.