Finding the Fourth Proportional to 630,611.29, 870,262.06 and 344,149.79
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Solution
The fourth proportional to 630,611.29, 870,262.06 and 344,149.79 is: 474,936.80
Step by Step Solution
- Step 1: Write the proportion equation
630,611.29 : 870,262.06 = 344,149.79 : x - Step 2: Convert to fraction form
630,611.29/870,262.06 = 344,149.79/x - Step 3: Cross multiply
630,611.29x = 870,262.06 × 344,149.79 - Step 4: Simplify right side
630,611.29x = 299,500,505,193.97 - Step 5: Solve for x
x = 299,500,505,193.97/630,611.29 - Step 6: Final answer
x = 474,936.80
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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.