Finding the Fourth Proportional to 646,573.29, 892,270.82 and 374,798.68
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Solution
The fourth proportional to 646,573.29, 892,270.82 and 374,798.68 is: 517,221.99
Step by Step Solution
- Step 1: Write the proportion equation
646,573.29 : 892,270.82 = 374,798.68 : x - Step 2: Convert to fraction form
646,573.29/892,270.82 = 374,798.68/x - Step 3: Cross multiply
646,573.29x = 892,270.82 × 374,798.68 - Step 4: Simplify right side
646,573.29x = 334,421,924,244.84 - Step 5: Solve for x
x = 334,421,924,244.84/646,573.29 - Step 6: Final answer
x = 517,221.99
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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.