Finding the Fourth Proportional to 903,973.19, 1,247,174.01 and 516,510.63
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Solution
The fourth proportional to 903,973.19, 1,247,174.01 and 516,510.63 is: 712,608.12
Step by Step Solution
- Step 1: Write the proportion equation
903,973.19 : 1,247,174.01 = 516,510.63 : x - Step 2: Convert to fraction form
903,973.19/1,247,174.01 = 516,510.63/x - Step 3: Cross multiply
903,973.19x = 1,247,174.01 × 516,510.63 - Step 4: Simplify right side
903,973.19x = 644,178,633,624.73 - Step 5: Solve for x
x = 644,178,633,624.73/903,973.19 - Step 6: Final answer
x = 712,608.12
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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.