Finding the Fourth Proportional to 862,624.96, 1,190,390.88 and 480,631.84
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Solution
The fourth proportional to 862,624.96, 1,190,390.88 and 480,631.84 is: 663,254.35
Step by Step Solution
- Step 1: Write the proportion equation
862,624.96 : 1,190,390.88 = 480,631.84 : x - Step 2: Convert to fraction form
862,624.96/1,190,390.88 = 480,631.84/x - Step 3: Cross multiply
862,624.96x = 1,190,390.88 × 480,631.84 - Step 4: Simplify right side
862,624.96x = 572,139,758,973.62 - Step 5: Solve for x
x = 572,139,758,973.62/862,624.96 - Step 6: Final answer
x = 663,254.35
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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.