Finding the Fourth Proportional to 753,588.48, 1,038,912.84 and 601,143.84
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Solution
The fourth proportional to 753,588.48, 1,038,912.84 and 601,143.84 is: 828,749.47
Step by Step Solution
- Step 1: Write the proportion equation
753,588.48 : 1,038,912.84 = 601,143.84 : x - Step 2: Convert to fraction form
753,588.48/1,038,912.84 = 601,143.84/x - Step 3: Cross multiply
753,588.48x = 1,038,912.84 × 601,143.84 - Step 4: Simplify right side
753,588.48x = 624,536,054,062.91 - Step 5: Solve for x
x = 624,536,054,062.91/753,588.48 - Step 6: Final answer
x = 828,749.47
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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.