Finding the Fourth Proportional to 872,294.41, 1,203,766.99 and 485,101.40
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Solution
The fourth proportional to 872,294.41, 1,203,766.99 and 485,101.40 is: 669,440.32
Step by Step Solution
- Step 1: Write the proportion equation
872,294.41 : 1,203,766.99 = 485,101.40 : x - Step 2: Convert to fraction form
872,294.41/1,203,766.99 = 485,101.40/x - Step 3: Cross multiply
872,294.41x = 1,203,766.99 × 485,101.40 - Step 4: Simplify right side
872,294.41x = 583,949,044,891.20 - Step 5: Solve for x
x = 583,949,044,891.20/872,294.41 - Step 6: Final answer
x = 669,440.32
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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.