Finding the Fourth Proportional to 559,159.58, 771,612.80 and 317,409.82
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Solution
The fourth proportional to 559,159.58, 771,612.80 and 317,409.82 is: 438,009.99
Step by Step Solution
- Step 1: Write the proportion equation
559,159.58 : 771,612.80 = 317,409.82 : x - Step 2: Convert to fraction form
559,159.58/771,612.80 = 317,409.82/x - Step 3: Cross multiply
559,159.58x = 771,612.80 × 317,409.82 - Step 4: Simplify right side
559,159.58x = 244,917,479,957.70 - Step 5: Solve for x
x = 244,917,479,957.70/559,159.58 - Step 6: Final answer
x = 438,009.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.