Finding the Fourth Proportional to 985,294.14, 1,359,590.40 and 555,548.64
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Solution
The fourth proportional to 985,294.14, 1,359,590.40 and 555,548.64 is: 766,591.99
Step by Step Solution
- Step 1: Write the proportion equation
985,294.14 : 1,359,590.40 = 555,548.64 : x - Step 2: Convert to fraction form
985,294.14/1,359,590.40 = 555,548.64/x - Step 3: Cross multiply
985,294.14x = 1,359,590.40 × 555,548.64 - Step 4: Simplify right side
985,294.14x = 755,318,597,677.06 - Step 5: Solve for x
x = 755,318,597,677.06/985,294.14 - Step 6: Final answer
x = 766,591.99
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1.5x scale
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.