Finding the Fourth Proportional to 759,274.48, 1,047,746.16 and 419,716
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Solution
The fourth proportional to 759,274.48, 1,047,746.16 and 419,716 is: 579,178.99
Step by Step Solution
- Step 1: Write the proportion equation
759,274.48 : 1,047,746.16 = 419,716 : x - Step 2: Convert to fraction form
759,274.48/1,047,746.16 = 419,716/x - Step 3: Cross multiply
759,274.48x = 1,047,746.16 × 419,716 - Step 4: Simplify right side
759,274.48x = 439,755,827,290.56 - Step 5: Solve for x
x = 439,755,827,290.56/759,274.48 - Step 6: Final answer
x = 579,178.99
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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.