Home / 648,710.20-972,287.70-333,004.60

Finding the Fourth Proportional to 648,710.20, 972,287.70 and 333,004.60

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Solution

The fourth proportional to 648,710.20, 972,287.70 and 333,004.60 is: 499,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,710.20 : 972,287.70 = 333,004.60 : x
  2. Step 2: Convert to fraction form
    648,710.20/972,287.70 = 333,004.60/x
  3. Step 3: Cross multiply
    648,710.20x = 972,287.70 × 333,004.60
  4. Step 4: Simplify right side
    648,710.20x = 323,776,276,623.42
  5. Step 5: Solve for x
    x = 323,776,276,623.42/648,710.20
  6. Step 6: Final answer
    x = 499,107.73

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1.5x scale

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.