Finding the Fourth Proportional to 744,279.66, 1,116,118.98 and 288,630.99
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Solution
The fourth proportional to 744,279.66, 1,116,118.98 and 288,630.99 is: 432,829.95
Step by Step Solution
- Step 1: Write the proportion equation
744,279.66 : 1,116,118.98 = 288,630.99 : x - Step 2: Convert to fraction form
744,279.66/1,116,118.98 = 288,630.99/x - Step 3: Cross multiply
744,279.66x = 1,116,118.98 × 288,630.99 - Step 4: Simplify right side
744,279.66x = 322,146,526,155.19 - Step 5: Solve for x
x = 322,146,526,155.19/744,279.66 - Step 6: Final answer
x = 432,829.95
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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.