Finding the Fourth Proportional to 989,849.70, 1,484,774.55 and 737,907.30
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Solution
The fourth proportional to 989,849.70, 1,484,774.55 and 737,907.30 is: 1,106,860.95
Step by Step Solution
- Step 1: Write the proportion equation
989,849.70 : 1,484,774.55 = 737,907.30 : x - Step 2: Convert to fraction form
989,849.70/1,484,774.55 = 737,907.30/x - Step 3: Cross multiply
989,849.70x = 1,484,774.55 × 737,907.30 - Step 4: Simplify right side
989,849.70x = 1,095,625,979,299.22 - Step 5: Solve for x
x = 1,095,625,979,299.22/989,849.70 - Step 6: Final answer
x = 1,106,860.95
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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.