Home / 757,943.25-1,045,963.71-418,411.50

Finding the Fourth Proportional to 757,943.25, 1,045,963.71 and 418,411.50

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Solution

The fourth proportional to 757,943.25, 1,045,963.71 and 418,411.50 is: 577,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,943.25 : 1,045,963.71 = 418,411.50 : x
  2. Step 2: Convert to fraction form
    757,943.25/1,045,963.71 = 418,411.50/x
  3. Step 3: Cross multiply
    757,943.25x = 1,045,963.71 × 418,411.50
  4. Step 4: Simplify right side
    757,943.25x = 437,643,244,846.67
  5. Step 5: Solve for x
    x = 437,643,244,846.67/757,943.25
  6. Step 6: Final answer
    x = 577,408.99

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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.