Home / 765,579.04-1,147,982.40-445,834.24

Finding the Fourth Proportional to 765,579.04, 1,147,982.40 and 445,834.24

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Solution

The fourth proportional to 765,579.04, 1,147,982.40 and 445,834.24 is: 668,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,579.04 : 1,147,982.40 = 445,834.24 : x
  2. Step 2: Convert to fraction form
    765,579.04/1,147,982.40 = 445,834.24/x
  3. Step 3: Cross multiply
    765,579.04x = 1,147,982.40 × 445,834.24
  4. Step 4: Simplify right side
    765,579.04x = 511,809,860,837.38
  5. Step 5: Solve for x
    x = 511,809,860,837.38/765,579.04
  6. Step 6: Final answer
    x = 668,526.48

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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.