Finding the Fourth Proportional to 590,251.08, 814,545.54 and 321,979.08
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Solution
The fourth proportional to 590,251.08, 814,545.54 and 321,979.08 is: 444,330.61
Step by Step Solution
- Step 1: Write the proportion equation
590,251.08 : 814,545.54 = 321,979.08 : x - Step 2: Convert to fraction form
590,251.08/814,545.54 = 321,979.08/x - Step 3: Cross multiply
590,251.08x = 814,545.54 × 321,979.08 - Step 4: Simplify right side
590,251.08x = 262,266,623,587.30 - Step 5: Solve for x
x = 262,266,623,587.30/590,251.08 - Step 6: Final answer
x = 444,330.61
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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.