Finding the Fourth Proportional to 970,813.17, 1,455,075.99 and 437,710.05
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Solution
The fourth proportional to 970,813.17, 1,455,075.99 and 437,710.05 is: 656,049.39
Step by Step Solution
- Step 1: Write the proportion equation
970,813.17 : 1,455,075.99 = 437,710.05 : x - Step 2: Convert to fraction form
970,813.17/1,455,075.99 = 437,710.05/x - Step 3: Cross multiply
970,813.17x = 1,455,075.99 × 437,710.05 - Step 4: Simplify right side
970,813.17x = 636,901,384,336.70 - Step 5: Solve for x
x = 636,901,384,336.70/970,813.17 - Step 6: Final answer
x = 656,049.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.