Finding the Fourth Proportional to 888,564.60, 1,331,972.10 and 439,354.80
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Solution
The fourth proportional to 888,564.60, 1,331,972.10 and 439,354.80 is: 658,599.65
Step by Step Solution
- Step 1: Write the proportion equation
888,564.60 : 1,331,972.10 = 439,354.80 : x - Step 2: Convert to fraction form
888,564.60/1,331,972.10 = 439,354.80/x - Step 3: Cross multiply
888,564.60x = 1,331,972.10 × 439,354.80 - Step 4: Simplify right side
888,564.60x = 585,208,335,601.08 - Step 5: Solve for x
x = 585,208,335,601.08/888,564.60 - Step 6: Final answer
x = 658,599.65
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1.5x scale
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.