Home / 740,860.75-1,109,871.15-440,431.75

Finding the Fourth Proportional to 740,860.75, 1,109,871.15 and 440,431.75

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Solution

The fourth proportional to 740,860.75, 1,109,871.15 and 440,431.75 is: 659,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,860.75 : 1,109,871.15 = 440,431.75 : x
  2. Step 2: Convert to fraction form
    740,860.75/1,109,871.15 = 440,431.75/x
  3. Step 3: Cross multiply
    740,860.75x = 1,109,871.15 × 440,431.75
  4. Step 4: Simplify right side
    740,860.75x = 488,822,492,869.01
  5. Step 5: Solve for x
    x = 488,822,492,869.01/740,860.75
  6. Step 6: Final answer
    x = 659,803.47

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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.