Home / 662,883.10-914,784.94-376,409.20

Finding the Fourth Proportional to 662,883.10, 914,784.94 and 376,409.20

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Solution

The fourth proportional to 662,883.10, 914,784.94 and 376,409.20 is: 519,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,883.10 : 914,784.94 = 376,409.20 : x
  2. Step 2: Convert to fraction form
    662,883.10/914,784.94 = 376,409.20/x
  3. Step 3: Cross multiply
    662,883.10x = 914,784.94 × 376,409.20
  4. Step 4: Simplify right side
    662,883.10x = 344,333,467,437.45
  5. Step 5: Solve for x
    x = 344,333,467,437.45/662,883.10
  6. Step 6: Final answer
    x = 519,448.25

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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.