Finding the Fourth Proportional to 858,902.08, 1,185,393.74 and 519,557.44
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Solution
The fourth proportional to 858,902.08, 1,185,393.74 and 519,557.44 is: 717,055.12
Step by Step Solution
- Step 1: Write the proportion equation
858,902.08 : 1,185,393.74 = 519,557.44 : x - Step 2: Convert to fraction form
858,902.08/1,185,393.74 = 519,557.44/x - Step 3: Cross multiply
858,902.08x = 1,185,393.74 × 519,557.44 - Step 4: Simplify right side
858,902.08x = 615,880,136,946.43 - Step 5: Solve for x
x = 615,880,136,946.43/858,902.08 - Step 6: Final answer
x = 717,055.12
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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.