Home / 490,026.60-734,055.72-223,420.37

Finding the Fourth Proportional to 490,026.60, 734,055.72 and 223,420.37

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Solution

The fourth proportional to 490,026.60, 734,055.72 and 223,420.37 is: 334,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,026.60 : 734,055.72 = 223,420.37 : x
  2. Step 2: Convert to fraction form
    490,026.60/734,055.72 = 223,420.37/x
  3. Step 3: Cross multiply
    490,026.60x = 734,055.72 × 223,420.37
  4. Step 4: Simplify right side
    490,026.60x = 164,002,996,892.74
  5. Step 5: Solve for x
    x = 164,002,996,892.74/490,026.60
  6. Step 6: Final answer
    x = 334,681.83

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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.