Home / 1,005,021.45-1,507,208.04-330,942.51

Finding the Fourth Proportional to 1,005,021.45, 1,507,208.04 and 330,942.51

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Solution

The fourth proportional to 1,005,021.45, 1,507,208.04 and 330,942.51 is: 496,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,021.45 : 1,507,208.04 = 330,942.51 : x
  2. Step 2: Convert to fraction form
    1,005,021.45/1,507,208.04 = 330,942.51/x
  3. Step 3: Cross multiply
    1,005,021.45x = 1,507,208.04 × 330,942.51
  4. Step 4: Simplify right side
    1,005,021.45x = 498,799,211,849.78
  5. Step 5: Solve for x
    x = 498,799,211,849.78/1,005,021.45
  6. Step 6: Final answer
    x = 496,307.03

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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.