Finding the Fourth Proportional to 936,314.37, 1,403,881.07 and 515,885.49
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Solution
The fourth proportional to 936,314.37, 1,403,881.07 and 515,885.49 is: 773,502.89
Step by Step Solution
- Step 1: Write the proportion equation
936,314.37 : 1,403,881.07 = 515,885.49 : x - Step 2: Convert to fraction form
936,314.37/1,403,881.07 = 515,885.49/x - Step 3: Cross multiply
936,314.37x = 1,403,881.07 × 515,885.49 - Step 4: Simplify right side
936,314.37x = 724,241,871,119.25 - Step 5: Solve for x
x = 724,241,871,119.25/936,314.37 - Step 6: Final answer
x = 773,502.89
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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.