Finding the Fourth Proportional to 984,387.84, 1,474,437.12 and 647,047.68
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Solution
The fourth proportional to 984,387.84, 1,474,437.12 and 647,047.68 is: 969,161.83
Step by Step Solution
- Step 1: Write the proportion equation
984,387.84 : 1,474,437.12 = 647,047.68 : x - Step 2: Convert to fraction form
984,387.84/1,474,437.12 = 647,047.68/x - Step 3: Cross multiply
984,387.84x = 1,474,437.12 × 647,047.68 - Step 4: Simplify right side
984,387.84x = 954,031,117,801.88 - Step 5: Solve for x
x = 954,031,117,801.88/984,387.84 - Step 6: Final answer
x = 969,161.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.