Home / 605,721.04-908,577.46-289,218.40

Finding the Fourth Proportional to 605,721.04, 908,577.46 and 289,218.40

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Solution

The fourth proportional to 605,721.04, 908,577.46 and 289,218.40 is: 433,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,721.04 : 908,577.46 = 289,218.40 : x
  2. Step 2: Convert to fraction form
    605,721.04/908,577.46 = 289,218.40/x
  3. Step 3: Cross multiply
    605,721.04x = 908,577.46 × 289,218.40
  4. Step 4: Simplify right side
    605,721.04x = 262,777,315,720.49
  5. Step 5: Solve for x
    x = 262,777,315,720.49/605,721.04
  6. Step 6: Final answer
    x = 433,825.64

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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.