Finding the Fourth Proportional to 850,574.04, 1,172,177.10 and 608,436.08
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Solution
The fourth proportional to 850,574.04, 1,172,177.10 and 608,436.08 is: 838,486.49
Step by Step Solution
- Step 1: Write the proportion equation
850,574.04 : 1,172,177.10 = 608,436.08 : x - Step 2: Convert to fraction form
850,574.04/1,172,177.10 = 608,436.08/x - Step 3: Cross multiply
850,574.04x = 1,172,177.10 × 608,436.08 - Step 4: Simplify right side
850,574.04x = 713,194,839,789.77 - Step 5: Solve for x
x = 713,194,839,789.77/850,574.04 - Step 6: Final answer
x = 838,486.49
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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.