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Finding the Fourth Proportional to 453,608.84, 680,031.91 and 303,390.65

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Solution

The fourth proportional to 453,608.84, 680,031.91 and 303,390.65 is: 454,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,608.84 : 680,031.91 = 303,390.65 : x
  2. Step 2: Convert to fraction form
    453,608.84/680,031.91 = 303,390.65/x
  3. Step 3: Cross multiply
    453,608.84x = 680,031.91 × 303,390.65
  4. Step 4: Simplify right side
    453,608.84x = 206,315,323,195.64
  5. Step 5: Solve for x
    x = 206,315,323,195.64/453,608.84
  6. Step 6: Final answer
    x = 454,830.91

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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.