Finding the Fourth Proportional to 851,432.16, 1,275,702.99 and 513,763.32
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Solution
The fourth proportional to 851,432.16, 1,275,702.99 and 513,763.32 is: 769,772.90
Step by Step Solution
- Step 1: Write the proportion equation
851,432.16 : 1,275,702.99 = 513,763.32 : x - Step 2: Convert to fraction form
851,432.16/1,275,702.99 = 513,763.32/x - Step 3: Cross multiply
851,432.16x = 1,275,702.99 × 513,763.32 - Step 4: Simplify right side
851,432.16x = 655,409,403,476.33 - Step 5: Solve for x
x = 655,409,403,476.33/851,432.16 - Step 6: Final answer
x = 769,772.90
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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.