Finding the Fourth Proportional to 702,800.76, 969,865.62 and 380,511.08
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Solution
The fourth proportional to 702,800.76, 969,865.62 and 380,511.08 is: 525,105.60
Step by Step Solution
- Step 1: Write the proportion equation
702,800.76 : 969,865.62 = 380,511.08 : x - Step 2: Convert to fraction form
702,800.76/969,865.62 = 380,511.08/x - Step 3: Cross multiply
702,800.76x = 969,865.62 × 380,511.08 - Step 4: Simplify right side
702,800.76x = 369,044,614,521.07 - Step 5: Solve for x
x = 369,044,614,521.07/702,800.76 - Step 6: Final answer
x = 525,105.60
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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.