Finding the Fourth Proportional to 692,011.44, 955,368.14 and 450,172.98
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Solution
The fourth proportional to 692,011.44, 955,368.14 and 450,172.98 is: 621,493.95
Step by Step Solution
- Step 1: Write the proportion equation
692,011.44 : 955,368.14 = 450,172.98 : x - Step 2: Convert to fraction form
692,011.44/955,368.14 = 450,172.98/x - Step 3: Cross multiply
692,011.44x = 955,368.14 × 450,172.98 - Step 4: Simplify right side
692,011.44x = 430,080,920,329.99 - Step 5: Solve for x
x = 430,080,920,329.99/692,011.44 - Step 6: Final answer
x = 621,493.95
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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.