Home / 1,005,009.48-1,507,190.10-330,930.48

Finding the Fourth Proportional to 1,005,009.48, 1,507,190.10 and 330,930.48

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Solution

The fourth proportional to 1,005,009.48, 1,507,190.10 and 330,930.48 is: 496,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,009.48 : 1,507,190.10 = 330,930.48 : x
  2. Step 2: Convert to fraction form
    1,005,009.48/1,507,190.10 = 330,930.48/x
  3. Step 3: Cross multiply
    1,005,009.48x = 1,507,190.10 × 330,930.48
  4. Step 4: Simplify right side
    1,005,009.48x = 498,775,143,244.25
  5. Step 5: Solve for x
    x = 498,775,143,244.25/1,005,009.48
  6. Step 6: Final answer
    x = 496,288.99

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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.