Finding the Fourth Proportional to 887,802.88, 1,225,173.12 and 485,394.88
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Solution
The fourth proportional to 887,802.88, 1,225,173.12 and 485,394.88 is: 669,847.75
Step by Step Solution
- Step 1: Write the proportion equation
887,802.88 : 1,225,173.12 = 485,394.88 : x - Step 2: Convert to fraction form
887,802.88/1,225,173.12 = 485,394.88/x - Step 3: Cross multiply
887,802.88x = 1,225,173.12 × 485,394.88 - Step 4: Simplify right side
887,802.88x = 594,692,759,561.63 - Step 5: Solve for x
x = 594,692,759,561.63/887,802.88 - Step 6: Final answer
x = 669,847.75
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1.5x scale
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.