Finding the Fourth Proportional to 911,006.95, 1,363,858.50 and 477,696.91
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Solution
The fourth proportional to 911,006.95, 1,363,858.50 and 477,696.91 is: 715,154.80
Step by Step Solution
- Step 1: Write the proportion equation
911,006.95 : 1,363,858.50 = 477,696.91 : x - Step 2: Convert to fraction form
911,006.95/1,363,858.50 = 477,696.91/x - Step 3: Cross multiply
911,006.95x = 1,363,858.50 × 477,696.91 - Step 4: Simplify right side
911,006.95x = 651,510,991,127.24 - Step 5: Solve for x
x = 651,510,991,127.24/911,006.95 - Step 6: Final answer
x = 715,154.80
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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.