Finding the Fourth Proportional to 660,571.94, 911,593.95 and 358,765.94
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Solution
The fourth proportional to 660,571.94, 911,593.95 and 358,765.94 is: 495,099.53
Step by Step Solution
- Step 1: Write the proportion equation
660,571.94 : 911,593.95 = 358,765.94 : x - Step 2: Convert to fraction form
660,571.94/911,593.95 = 358,765.94/x - Step 3: Cross multiply
660,571.94x = 911,593.95 × 358,765.94 - Step 4: Simplify right side
660,571.94x = 327,048,861,303.68 - Step 5: Solve for x
x = 327,048,861,303.68/660,571.94 - Step 6: Final answer
x = 495,099.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.