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Finding the Fourth Proportional to 453,607.84, 680,030.41 and 303,389.65

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Solution

The fourth proportional to 453,607.84, 680,030.41 and 303,389.65 is: 454,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,607.84 : 680,030.41 = 303,389.65 : x
  2. Step 2: Convert to fraction form
    453,607.84/680,030.41 = 303,389.65/x
  3. Step 3: Cross multiply
    453,607.84x = 680,030.41 × 303,389.65
  4. Step 4: Simplify right side
    453,607.84x = 206,314,188,079.26
  5. Step 5: Solve for x
    x = 206,314,188,079.26/453,607.84
  6. Step 6: Final answer
    x = 454,829.41

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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.