Home / 684,495.20-1,025,846.10-328,801.52

Finding the Fourth Proportional to 684,495.20, 1,025,846.10 and 328,801.52

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Solution

The fourth proportional to 684,495.20, 1,025,846.10 and 328,801.52 is: 492,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,495.20 : 1,025,846.10 = 328,801.52 : x
  2. Step 2: Convert to fraction form
    684,495.20/1,025,846.10 = 328,801.52/x
  3. Step 3: Cross multiply
    684,495.20x = 1,025,846.10 × 328,801.52
  4. Step 4: Simplify right side
    684,495.20x = 337,299,756,966.07
  5. Step 5: Solve for x
    x = 337,299,756,966.07/684,495.20
  6. Step 6: Final answer
    x = 492,771.54

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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.