Home / 765,291.99-1,147,900.01-285,482.41

Finding the Fourth Proportional to 765,291.99, 1,147,900.01 and 285,482.41

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Solution

The fourth proportional to 765,291.99, 1,147,900.01 and 285,482.41 is: 428,209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,291.99 : 1,147,900.01 = 285,482.41 : x
  2. Step 2: Convert to fraction form
    765,291.99/1,147,900.01 = 285,482.41/x
  3. Step 3: Cross multiply
    765,291.99x = 1,147,900.01 × 285,482.41
  4. Step 4: Simplify right side
    765,291.99x = 327,705,261,293.82
  5. Step 5: Solve for x
    x = 327,705,261,293.82/765,291.99
  6. Step 6: Final answer
    x = 428,209.45

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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.