Home / 769,459.98-1,153,826.71-449,703.58

Finding the Fourth Proportional to 769,459.98, 1,153,826.71 and 449,703.58

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Solution

The fourth proportional to 769,459.98, 1,153,826.71 and 449,703.58 is: 674,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,459.98 : 1,153,826.71 = 449,703.58 : x
  2. Step 2: Convert to fraction form
    769,459.98/1,153,826.71 = 449,703.58/x
  3. Step 3: Cross multiply
    769,459.98x = 1,153,826.71 × 449,703.58
  4. Step 4: Simplify right side
    769,459.98x = 518,880,002,186.62
  5. Step 5: Solve for x
    x = 518,880,002,186.62/769,459.98
  6. Step 6: Final answer
    x = 674,343.07

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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.