Finding the Fourth Proportional to 614,888.28, 916,219.62 and 547,812.99
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Solution
The fourth proportional to 614,888.28, 916,219.62 and 547,812.99 is: 816,273.50
Step by Step Solution
- Step 1: Write the proportion equation
614,888.28 : 916,219.62 = 547,812.99 : x - Step 2: Convert to fraction form
614,888.28/916,219.62 = 547,812.99/x - Step 3: Cross multiply
614,888.28x = 916,219.62 × 547,812.99 - Step 4: Simplify right side
614,888.28x = 501,917,009,528.86 - Step 5: Solve for x
x = 501,917,009,528.86/614,888.28 - Step 6: Final answer
x = 816,273.50
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.