Home / 950,646.78-1,425,968.64-320,003.46

Finding the Fourth Proportional to 950,646.78, 1,425,968.64 and 320,003.46

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Solution

The fourth proportional to 950,646.78, 1,425,968.64 and 320,003.46 is: 480,004.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,646.78 : 1,425,968.64 = 320,003.46 : x
  2. Step 2: Convert to fraction form
    950,646.78/1,425,968.64 = 320,003.46/x
  3. Step 3: Cross multiply
    950,646.78x = 1,425,968.64 × 320,003.46
  4. Step 4: Simplify right side
    950,646.78x = 456,314,898,651.49
  5. Step 5: Solve for x
    x = 456,314,898,651.49/950,646.78
  6. Step 6: Final answer
    x = 480,004.67

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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.