Finding the Fourth Proportional to 616,412.30, 850,652.11 and 344,484.74
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Solution
The fourth proportional to 616,412.30, 850,652.11 and 344,484.74 is: 475,390.69
Step by Step Solution
- Step 1: Write the proportion equation
616,412.30 : 850,652.11 = 344,484.74 : x - Step 2: Convert to fraction form
616,412.30/850,652.11 = 344,484.74/x - Step 3: Cross multiply
616,412.30x = 850,652.11 × 344,484.74 - Step 4: Simplify right side
616,412.30x = 293,036,670,943.80 - Step 5: Solve for x
x = 293,036,670,943.80/616,412.30 - Step 6: Final answer
x = 475,390.69
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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.