Finding the Fourth Proportional to 994,637.03, 1,372,580.51 and 553,138.68
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Solution
The fourth proportional to 994,637.03, 1,372,580.51 and 553,138.68 is: 763,321.04
Step by Step Solution
- Step 1: Write the proportion equation
994,637.03 : 1,372,580.51 = 553,138.68 : x - Step 2: Convert to fraction form
994,637.03/1,372,580.51 = 553,138.68/x - Step 3: Cross multiply
994,637.03x = 1,372,580.51 × 553,138.68 - Step 4: Simplify right side
994,637.03x = 759,227,366,155.85 - Step 5: Solve for x
x = 759,227,366,155.85/994,637.03 - Step 6: Final answer
x = 763,321.04
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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.