Home / 897,159.83-1,345,873.39-320,739.53

Finding the Fourth Proportional to 897,159.83, 1,345,873.39 and 320,739.53

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Solution

The fourth proportional to 897,159.83, 1,345,873.39 and 320,739.53 is: 481,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,159.83 : 1,345,873.39 = 320,739.53 : x
  2. Step 2: Convert to fraction form
    897,159.83/1,345,873.39 = 320,739.53/x
  3. Step 3: Cross multiply
    897,159.83x = 1,345,873.39 × 320,739.53
  4. Step 4: Simplify right side
    897,159.83x = 431,674,791,016.89
  5. Step 5: Solve for x
    x = 431,674,791,016.89/897,159.83
  6. Step 6: Final answer
    x = 481,157.07

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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.