Finding the Fourth Proportional to 559,047.05, 771,497.62 and 317,307.00
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Solution
The fourth proportional to 559,047.05, 771,497.62 and 317,307.00 is: 437,890.87
Step by Step Solution
- Step 1: Write the proportion equation
559,047.05 : 771,497.62 = 317,307.00 : x - Step 2: Convert to fraction form
559,047.05/771,497.62 = 317,307.00/x - Step 3: Cross multiply
559,047.05x = 771,497.62 × 317,307.00 - Step 4: Simplify right side
559,047.05x = 244,801,597,409.19 - Step 5: Solve for x
x = 244,801,597,409.19/559,047.05 - Step 6: Final answer
x = 437,890.87
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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.