Finding the Fourth Proportional to 647,750.44, 893,896.80 and 361,288.98
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Solution
The fourth proportional to 647,750.44, 893,896.80 and 361,288.98 is: 498,579.46
Step by Step Solution
- Step 1: Write the proportion equation
647,750.44 : 893,896.80 = 361,288.98 : x - Step 2: Convert to fraction form
647,750.44/893,896.80 = 361,288.98/x - Step 3: Cross multiply
647,750.44x = 893,896.80 × 361,288.98 - Step 4: Simplify right side
647,750.44x = 322,955,063,097.26 - Step 5: Solve for x
x = 322,955,063,097.26/647,750.44 - Step 6: Final answer
x = 498,579.46
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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.