Finding the Fourth Proportional to 999,312.40, 1,498,450.20 and 367,901.20
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Solution
The fourth proportional to 999,312.40, 1,498,450.20 and 367,901.20 is: 551,660.95
Step by Step Solution
- Step 1: Write the proportion equation
999,312.40 : 1,498,450.20 = 367,901.20 : x - Step 2: Convert to fraction form
999,312.40/1,498,450.20 = 367,901.20/x - Step 3: Cross multiply
999,312.40x = 1,498,450.20 × 367,901.20 - Step 4: Simplify right side
999,312.40x = 551,281,626,720.24 - Step 5: Solve for x
x = 551,281,626,720.24/999,312.40 - Step 6: Final answer
x = 551,660.95
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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.