Finding the Fourth Proportional to 988,298.97, 1,363,853.76 and 535,589.97
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Solution
The fourth proportional to 988,298.97, 1,363,853.76 and 535,589.97 is: 739,114.80
Step by Step Solution
- Step 1: Write the proportion equation
988,298.97 : 1,363,853.76 = 535,589.97 : x - Step 2: Convert to fraction form
988,298.97/1,363,853.76 = 535,589.97/x - Step 3: Cross multiply
988,298.97x = 1,363,853.76 × 535,589.97 - Step 4: Simplify right side
988,298.97x = 730,466,394,402.79 - Step 5: Solve for x
x = 730,466,394,402.79/988,298.97 - Step 6: Final answer
x = 739,114.80
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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.