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Finding the Fourth Proportional to 630,525.50, 946,292.61 and 331,182.60

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Solution

The fourth proportional to 630,525.50, 946,292.61 and 331,182.60 is: 497,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,525.50 : 946,292.61 = 331,182.60 : x
  2. Step 2: Convert to fraction form
    630,525.50/946,292.61 = 331,182.60/x
  3. Step 3: Cross multiply
    630,525.50x = 946,292.61 × 331,182.60
  4. Step 4: Simplify right side
    630,525.50x = 313,395,646,940.59
  5. Step 5: Solve for x
    x = 313,395,646,940.59/630,525.50
  6. Step 6: Final answer
    x = 497,038.82

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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.