Finding the Fourth Proportional to 665,545.08, 918,450.18 and 363,739.08
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Solution
The fourth proportional to 665,545.08, 918,450.18 and 363,739.08 is: 501,958.82
Step by Step Solution
- Step 1: Write the proportion equation
665,545.08 : 918,450.18 = 363,739.08 : x - Step 2: Convert to fraction form
665,545.08/918,450.18 = 363,739.08/x - Step 3: Cross multiply
665,545.08x = 918,450.18 × 363,739.08 - Step 4: Simplify right side
665,545.08x = 334,076,223,499.03 - Step 5: Solve for x
x = 334,076,223,499.03/665,545.08 - Step 6: Final answer
x = 501,958.82
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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.