Finding the Fourth Proportional to 441,220.74, 609,017.73 and 381,433.62
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Solution
The fourth proportional to 441,220.74, 609,017.73 and 381,433.62 is: 526,493.47
Step by Step Solution
- Step 1: Write the proportion equation
441,220.74 : 609,017.73 = 381,433.62 : x - Step 2: Convert to fraction form
441,220.74/609,017.73 = 381,433.62/x - Step 3: Cross multiply
441,220.74x = 609,017.73 × 381,433.62 - Step 4: Simplify right side
441,220.74x = 232,299,837,398.08 - Step 5: Solve for x
x = 232,299,837,398.08/441,220.74 - Step 6: Final answer
x = 526,493.47
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1.5x scale
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.