Finding the Fourth Proportional to 829,182.97, 1,144,259.10 and 466,606.63
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Solution
The fourth proportional to 829,182.97, 1,144,259.10 and 466,606.63 is: 643,909.61
Step by Step Solution
- Step 1: Write the proportion equation
829,182.97 : 1,144,259.10 = 466,606.63 : x - Step 2: Convert to fraction form
829,182.97/1,144,259.10 = 466,606.63/x - Step 3: Cross multiply
829,182.97x = 1,144,259.10 × 466,606.63 - Step 4: Simplify right side
829,182.97x = 533,918,882,497.83 - Step 5: Solve for x
x = 533,918,882,497.83/829,182.97 - Step 6: Final answer
x = 643,909.61
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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.