Finding the Fourth Proportional to 829,448.28, 1,244,128.68 and 408,582
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Solution
The fourth proportional to 829,448.28, 1,244,128.68 and 408,582 is: 612,851.45
Step by Step Solution
- Step 1: Write the proportion equation
829,448.28 : 1,244,128.68 = 408,582 : x - Step 2: Convert to fraction form
829,448.28/1,244,128.68 = 408,582/x - Step 3: Cross multiply
829,448.28x = 1,244,128.68 × 408,582 - Step 4: Simplify right side
829,448.28x = 508,328,584,331.76 - Step 5: Solve for x
x = 508,328,584,331.76/829,448.28 - Step 6: Final answer
x = 612,851.45
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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.