Finding the Fourth Proportional to 829,201.14, 1,144,319.67 and 466,637.94
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Solution
The fourth proportional to 829,201.14, 1,144,319.67 and 466,637.94 is: 643,972.79
Step by Step Solution
- Step 1: Write the proportion equation
829,201.14 : 1,144,319.67 = 466,637.94 : x - Step 2: Convert to fraction form
829,201.14/1,144,319.67 = 466,637.94/x - Step 3: Cross multiply
829,201.14x = 1,144,319.67 × 466,637.94 - Step 4: Simplify right side
829,201.14x = 533,982,973,510.28 - Step 5: Solve for x
x = 533,982,973,510.28/829,201.14 - Step 6: Final answer
x = 643,972.79
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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.