Finding the Fourth Proportional to 476,053.70, 668,246.65 and 476,053.70
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Solution
The fourth proportional to 476,053.70, 668,246.65 and 476,053.70 is: 668,246.65
Step by Step Solution
- Step 1: Write the proportion equation
476,053.70 : 668,246.65 = 476,053.70 : x - Step 2: Convert to fraction form
476,053.70/668,246.65 = 476,053.70/x - Step 3: Cross multiply
476,053.70x = 668,246.65 × 476,053.70 - Step 4: Simplify right side
476,053.70x = 318,121,290,245.11 - Step 5: Solve for x
x = 318,121,290,245.11/476,053.70 - Step 6: Final answer
x = 668,246.65
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.