Finding the Fourth Proportional to 702,702.81, 969,730.21 and 380,412.91
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Solution
The fourth proportional to 702,702.81, 969,730.21 and 380,412.91 is: 524,969.99
Step by Step Solution
- Step 1: Write the proportion equation
702,702.81 : 969,730.21 = 380,412.91 : x - Step 2: Convert to fraction form
702,702.81/969,730.21 = 380,412.91/x - Step 3: Cross multiply
702,702.81x = 969,730.21 × 380,412.91 - Step 4: Simplify right side
702,702.81x = 368,897,889,198.95 - Step 5: Solve for x
x = 368,897,889,198.95/702,702.81 - Step 6: Final answer
x = 524,969.99
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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.