Finding the Fourth Proportional to 845,479.14, 1,166,761.26 and 463,508.64
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Solution
The fourth proportional to 845,479.14, 1,166,761.26 and 463,508.64 is: 639,641.95
Step by Step Solution
- Step 1: Write the proportion equation
845,479.14 : 1,166,761.26 = 463,508.64 : x - Step 2: Convert to fraction form
845,479.14/1,166,761.26 = 463,508.64/x - Step 3: Cross multiply
845,479.14x = 1,166,761.26 × 463,508.64 - Step 4: Simplify right side
845,479.14x = 540,803,924,827.29 - Step 5: Solve for x
x = 540,803,924,827.29/845,479.14 - Step 6: Final answer
x = 639,641.95
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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.