Finding the Fourth Proportional to 563,115.44, 776,476.62 and 358,842.80
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Solution
The fourth proportional to 563,115.44, 776,476.62 and 358,842.80 is: 494,806.26
Step by Step Solution
- Step 1: Write the proportion equation
563,115.44 : 776,476.62 = 358,842.80 : x - Step 2: Convert to fraction form
563,115.44/776,476.62 = 358,842.80/x - Step 3: Cross multiply
563,115.44x = 776,476.62 × 358,842.80 - Step 4: Simplify right side
563,115.44x = 278,633,044,455.34 - Step 5: Solve for x
x = 278,633,044,455.34/563,115.44 - Step 6: Final answer
x = 494,806.26
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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.