Finding the Fourth Proportional to 565,046.80, 779,969.28 and 374,121.70
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Solution
The fourth proportional to 565,046.80, 779,969.28 and 374,121.70 is: 516,423.48
Step by Step Solution
- Step 1: Write the proportion equation
565,046.80 : 779,969.28 = 374,121.70 : x - Step 2: Convert to fraction form
565,046.80/779,969.28 = 374,121.70/x - Step 3: Cross multiply
565,046.80x = 779,969.28 × 374,121.70 - Step 4: Simplify right side
565,046.80x = 291,803,432,434.41 - Step 5: Solve for x
x = 291,803,432,434.41/565,046.80 - Step 6: Final answer
x = 516,423.48
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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.