Finding the Fourth Proportional to 919,216.41, 1,268,000.60 and 551,598.45
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Solution
The fourth proportional to 919,216.41, 1,268,000.60 and 551,598.45 is: 760,894.99
Step by Step Solution
- Step 1: Write the proportion equation
919,216.41 : 1,268,000.60 = 551,598.45 : x - Step 2: Convert to fraction form
919,216.41/1,268,000.60 = 551,598.45/x - Step 3: Cross multiply
919,216.41x = 1,268,000.60 × 551,598.45 - Step 4: Simplify right side
919,216.41x = 699,427,162,801.08 - Step 5: Solve for x
x = 699,427,162,801.08/919,216.41 - Step 6: Final answer
x = 760,894.99
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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.