Home / 799,387.11-1,103,145.89-450,495

Finding the Fourth Proportional to 799,387.11, 1,103,145.89 and 450,495

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Solution

The fourth proportional to 799,387.11, 1,103,145.89 and 450,495 is: 621,678.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,387.11 : 1,103,145.89 = 450,495 : x
  2. Step 2: Convert to fraction form
    799,387.11/1,103,145.89 = 450,495/x
  3. Step 3: Cross multiply
    799,387.11x = 1,103,145.89 × 450,495
  4. Step 4: Simplify right side
    799,387.11x = 496,961,705,463.08
  5. Step 5: Solve for x
    x = 496,961,705,463.08/799,387.11
  6. Step 6: Final answer
    x = 621,678.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.