Home / 699,101.34-1,047,987.68-445,670.51

Finding the Fourth Proportional to 699,101.34, 1,047,987.68 and 445,670.51

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Solution

The fourth proportional to 699,101.34, 1,047,987.68 and 445,670.51 is: 668,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,101.34 : 1,047,987.68 = 445,670.51 : x
  2. Step 2: Convert to fraction form
    699,101.34/1,047,987.68 = 445,670.51/x
  3. Step 3: Cross multiply
    699,101.34x = 1,047,987.68 × 445,670.51
  4. Step 4: Simplify right side
    699,101.34x = 467,057,196,351.03
  5. Step 5: Solve for x
    x = 467,057,196,351.03/699,101.34
  6. Step 6: Final answer
    x = 668,082.25

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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.