Finding the Fourth Proportional to 636,750.52, 878,635.95 and 430,467.82
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Solution
The fourth proportional to 636,750.52, 878,635.95 and 430,467.82 is: 593,991.67
Step by Step Solution
- Step 1: Write the proportion equation
636,750.52 : 878,635.95 = 430,467.82 : x - Step 2: Convert to fraction form
636,750.52/878,635.95 = 430,467.82/x - Step 3: Cross multiply
636,750.52x = 878,635.95 × 430,467.82 - Step 4: Simplify right side
636,750.52x = 378,224,501,970.13 - Step 5: Solve for x
x = 378,224,501,970.13/636,750.52 - Step 6: Final answer
x = 593,991.67
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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.