Finding the Fourth Proportional to 555,001.05, 832,501.58 and 415,033.05
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Solution
The fourth proportional to 555,001.05, 832,501.58 and 415,033.05 is: 622,549.58
Step by Step Solution
- Step 1: Write the proportion equation
555,001.05 : 832,501.58 = 415,033.05 : x - Step 2: Convert to fraction form
555,001.05/832,501.58 = 415,033.05/x - Step 3: Cross multiply
555,001.05x = 832,501.58 × 415,033.05 - Step 4: Simplify right side
555,001.05x = 345,515,667,802.05 - Step 5: Solve for x
x = 345,515,667,802.05/555,001.05 - Step 6: Final answer
x = 622,549.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.