Finding the Fourth Proportional to 665,492.08, 918,377.04 and 363,686.08
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Solution
The fourth proportional to 665,492.08, 918,377.04 and 363,686.08 is: 501,885.68
Step by Step Solution
- Step 1: Write the proportion equation
665,492.08 : 918,377.04 = 363,686.08 : x - Step 2: Convert to fraction form
665,492.08/918,377.04 = 363,686.08/x - Step 3: Cross multiply
665,492.08x = 918,377.04 × 363,686.08 - Step 4: Simplify right side
665,492.08x = 334,000,945,639.60 - Step 5: Solve for x
x = 334,000,945,639.60/665,492.08 - Step 6: Final answer
x = 501,885.68
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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.