Finding the Fourth Proportional to 909,344.70, 1,363,907.70 and 376,810.20
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Solution
The fourth proportional to 909,344.70, 1,363,907.70 and 376,810.20 is: 565,169.99
Step by Step Solution
- Step 1: Write the proportion equation
909,344.70 : 1,363,907.70 = 376,810.20 : x - Step 2: Convert to fraction form
909,344.70/1,363,907.70 = 376,810.20/x - Step 3: Cross multiply
909,344.70x = 1,363,907.70 × 376,810.20 - Step 4: Simplify right side
909,344.70x = 513,934,333,218.54 - Step 5: Solve for x
x = 513,934,333,218.54/909,344.70 - Step 6: Final answer
x = 565,169.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.