Finding the Fourth Proportional to 984,626.70, 1,476,988.65 and 512,234.70
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Solution
The fourth proportional to 984,626.70, 1,476,988.65 and 512,234.70 is: 768,377.33
Step by Step Solution
- Step 1: Write the proportion equation
984,626.70 : 1,476,988.65 = 512,234.70 : x - Step 2: Convert to fraction form
984,626.70/1,476,988.65 = 512,234.70/x - Step 3: Cross multiply
984,626.70x = 1,476,988.65 × 512,234.70 - Step 4: Simplify right side
984,626.70x = 756,564,838,036.16 - Step 5: Solve for x
x = 756,564,838,036.16/984,626.70 - Step 6: Final answer
x = 768,377.33
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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.