Finding the Fourth Proportional to 845,607.42, 1,166,929.35 and 463,633.26
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Solution
The fourth proportional to 845,607.42, 1,166,929.35 and 463,633.26 is: 639,809.02
Step by Step Solution
- Step 1: Write the proportion equation
845,607.42 : 1,166,929.35 = 463,633.26 : x - Step 2: Convert to fraction form
845,607.42/1,166,929.35 = 463,633.26/x - Step 3: Cross multiply
845,607.42x = 1,166,929.35 × 463,633.26 - Step 4: Simplify right side
845,607.42x = 541,027,258,730.18 - Step 5: Solve for x
x = 541,027,258,730.18/845,607.42 - Step 6: Final answer
x = 639,809.02
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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.