Finding the Fourth Proportional to 736,409.81, 1,104,603.59 and 331,315.95
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Solution
The fourth proportional to 736,409.81, 1,104,603.59 and 331,315.95 is: 496,968.92
Step by Step Solution
- Step 1: Write the proportion equation
736,409.81 : 1,104,603.59 = 331,315.95 : x - Step 2: Convert to fraction form
736,409.81/1,104,603.59 = 331,315.95/x - Step 3: Cross multiply
736,409.81x = 1,104,603.59 × 331,315.95 - Step 4: Simplify right side
736,409.81x = 365,972,787,794.26 - Step 5: Solve for x
x = 365,972,787,794.26/736,409.81 - Step 6: Final answer
x = 496,968.92
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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.