Finding the Fourth Proportional to 544,079.40, 816,119.10 and 376,117.80
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Solution
The fourth proportional to 544,079.40, 816,119.10 and 376,117.80 is: 564,176.70
Step by Step Solution
- Step 1: Write the proportion equation
544,079.40 : 816,119.10 = 376,117.80 : x - Step 2: Convert to fraction form
544,079.40/816,119.10 = 376,117.80/x - Step 3: Cross multiply
544,079.40x = 816,119.10 × 376,117.80 - Step 4: Simplify right side
544,079.40x = 306,956,920,429.98 - Step 5: Solve for x
x = 306,956,920,429.98/544,079.40 - Step 6: Final answer
x = 564,176.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.