Finding the Fourth Proportional to 549,506.08, 756,555.96 and 428,492.08
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Solution
The fourth proportional to 549,506.08, 756,555.96 and 428,492.08 is: 589,944.77
Step by Step Solution
- Step 1: Write the proportion equation
549,506.08 : 756,555.96 = 428,492.08 : x - Step 2: Convert to fraction form
549,506.08/756,555.96 = 428,492.08/x - Step 3: Cross multiply
549,506.08x = 756,555.96 × 428,492.08 - Step 4: Simplify right side
549,506.08x = 324,178,236,936.80 - Step 5: Solve for x
x = 324,178,236,936.80/549,506.08 - Step 6: Final answer
x = 589,944.77
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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.