Finding the Fourth Proportional to 847,756.08, 1,169,902.44 and 465,781.92
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Solution
The fourth proportional to 847,756.08, 1,169,902.44 and 465,781.92 is: 642,778.53
Step by Step Solution
- Step 1: Write the proportion equation
847,756.08 : 1,169,902.44 = 465,781.92 : x - Step 2: Convert to fraction form
847,756.08/1,169,902.44 = 465,781.92/x - Step 3: Cross multiply
847,756.08x = 1,169,902.44 × 465,781.92 - Step 4: Simplify right side
847,756.08x = 544,919,404,715.89 - Step 5: Solve for x
x = 544,919,404,715.89/847,756.08 - Step 6: Final answer
x = 642,778.53
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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.