Finding the Fourth Proportional to 779,648.93, 1,169,515.26 and 247,211.48
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Solution
The fourth proportional to 779,648.93, 1,169,515.26 and 247,211.48 is: 370,830.49
Step by Step Solution
- Step 1: Write the proportion equation
779,648.93 : 1,169,515.26 = 247,211.48 : x - Step 2: Convert to fraction form
779,648.93/1,169,515.26 = 247,211.48/x - Step 3: Cross multiply
779,648.93x = 1,169,515.26 × 247,211.48 - Step 4: Simplify right side
779,648.93x = 289,117,598,307.19 - Step 5: Solve for x
x = 289,117,598,307.19/779,648.93 - Step 6: Final answer
x = 370,830.49
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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.