Finding the Fourth Proportional to 908,821.80, 1,363,232.70 and 340,201.80
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Solution
The fourth proportional to 908,821.80, 1,363,232.70 and 340,201.80 is: 510,302.70
Step by Step Solution
- Step 1: Write the proportion equation
908,821.80 : 1,363,232.70 = 340,201.80 : x - Step 2: Convert to fraction form
908,821.80/1,363,232.70 = 340,201.80/x - Step 3: Cross multiply
908,821.80x = 1,363,232.70 × 340,201.80 - Step 4: Simplify right side
908,821.80x = 463,774,218,358.86 - Step 5: Solve for x
x = 463,774,218,358.86/908,821.80 - Step 6: Final answer
x = 510,302.70
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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.