Finding the Fourth Proportional to 788,346.69, 1,182,323.21 and 256,020.09
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Solution
The fourth proportional to 788,346.69, 1,182,323.21 and 256,020.09 is: 383,966.21
Step by Step Solution
- Step 1: Write the proportion equation
788,346.69 : 1,182,323.21 = 256,020.09 : x - Step 2: Convert to fraction form
788,346.69/1,182,323.21 = 256,020.09/x - Step 3: Cross multiply
788,346.69x = 1,182,323.21 × 256,020.09 - Step 4: Simplify right side
788,346.69x = 302,698,493,353.19 - Step 5: Solve for x
x = 302,698,493,353.19/788,346.69 - Step 6: Final answer
x = 383,966.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.