Home / 970,451.21-1,455,849.65-330,719.49

Finding the Fourth Proportional to 970,451.21, 1,455,849.65 and 330,719.49

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Solution

The fourth proportional to 970,451.21, 1,455,849.65 and 330,719.49 is: 496,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,451.21 : 1,455,849.65 = 330,719.49 : x
  2. Step 2: Convert to fraction form
    970,451.21/1,455,849.65 = 330,719.49/x
  3. Step 3: Cross multiply
    970,451.21x = 1,455,849.65 × 330,719.49
  4. Step 4: Simplify right side
    970,451.21x = 481,477,854,591.48
  5. Step 5: Solve for x
    x = 481,477,854,591.48/970,451.21
  6. Step 6: Final answer
    x = 496,138.13

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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.