Finding the Fourth Proportional to 909,087.12, 1,254,548.99 and 501,204.80
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Solution
The fourth proportional to 909,087.12, 1,254,548.99 and 501,204.80 is: 691,667.46
Step by Step Solution
- Step 1: Write the proportion equation
909,087.12 : 1,254,548.99 = 501,204.80 : x - Step 2: Convert to fraction form
909,087.12/1,254,548.99 = 501,204.80/x - Step 3: Cross multiply
909,087.12x = 1,254,548.99 × 501,204.80 - Step 4: Simplify right side
909,087.12x = 628,785,975,623.15 - Step 5: Solve for x
x = 628,785,975,623.15/909,087.12 - Step 6: Final answer
x = 691,667.46
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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.