Finding the Fourth Proportional to 692,583.99, 955,780.86 and 382,485.60
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Solution
The fourth proportional to 692,583.99, 955,780.86 and 382,485.60 is: 527,838.39
Step by Step Solution
- Step 1: Write the proportion equation
692,583.99 : 955,780.86 = 382,485.60 : x - Step 2: Convert to fraction form
692,583.99/955,780.86 = 382,485.60/x - Step 3: Cross multiply
692,583.99x = 955,780.86 × 382,485.60 - Step 4: Simplify right side
692,583.99x = 365,572,415,705.62 - Step 5: Solve for x
x = 365,572,415,705.62/692,583.99 - Step 6: Final answer
x = 527,838.39
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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.