Finding the Fourth Proportional to 559,030.80, 771,454.80 and 304,381.98
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Solution
The fourth proportional to 559,030.80, 771,454.80 and 304,381.98 is: 420,042.94
Step by Step Solution
- Step 1: Write the proportion equation
559,030.80 : 771,454.80 = 304,381.98 : x - Step 2: Convert to fraction form
559,030.80/771,454.80 = 304,381.98/x - Step 3: Cross multiply
559,030.80x = 771,454.80 × 304,381.98 - Step 4: Simplify right side
559,030.80x = 234,816,939,504.50 - Step 5: Solve for x
x = 234,816,939,504.50/559,030.80 - Step 6: Final answer
x = 420,042.94
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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.