Finding the Fourth Proportional to 836,888.62, 1,154,959.95 and 469,400.26
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Solution
The fourth proportional to 836,888.62, 1,154,959.95 and 469,400.26 is: 647,802.45
Step by Step Solution
- Step 1: Write the proportion equation
836,888.62 : 1,154,959.95 = 469,400.26 : x - Step 2: Convert to fraction form
836,888.62/1,154,959.95 = 469,400.26/x - Step 3: Cross multiply
836,888.62x = 1,154,959.95 × 469,400.26 - Step 4: Simplify right side
836,888.62x = 542,138,500,819.59 - Step 5: Solve for x
x = 542,138,500,819.59/836,888.62 - Step 6: Final answer
x = 647,802.45
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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.