Finding the Fourth Proportional to 798,631.21, 1,102,155.75 and 436,088.80
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Solution
The fourth proportional to 798,631.21, 1,102,155.75 and 436,088.80 is: 601,826.94
Step by Step Solution
- Step 1: Write the proportion equation
798,631.21 : 1,102,155.75 = 436,088.80 : x - Step 2: Convert to fraction form
798,631.21/1,102,155.75 = 436,088.80/x - Step 3: Cross multiply
798,631.21x = 1,102,155.75 × 436,088.80 - Step 4: Simplify right side
798,631.21x = 480,637,778,430.60 - Step 5: Solve for x
x = 480,637,778,430.60/798,631.21 - Step 6: Final answer
x = 601,826.94
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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.