Home / 897,161.33-1,345,875.65-320,741.03

Finding the Fourth Proportional to 897,161.33, 1,345,875.65 and 320,741.03

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Solution

The fourth proportional to 897,161.33, 1,345,875.65 and 320,741.03 is: 481,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,161.33 : 1,345,875.65 = 320,741.03 : x
  2. Step 2: Convert to fraction form
    897,161.33/1,345,875.65 = 320,741.03/x
  3. Step 3: Cross multiply
    897,161.33x = 1,345,875.65 × 320,741.03
  4. Step 4: Simplify right side
    897,161.33x = 431,677,533,899.84
  5. Step 5: Solve for x
    x = 431,677,533,899.84/897,161.33
  6. Step 6: Final answer
    x = 481,159.32

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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.