Finding the Fourth Proportional to 815,532.76, 1,125,404.08 and 452,979.88
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Solution
The fourth proportional to 815,532.76, 1,125,404.08 and 452,979.88 is: 625,094.94
Step by Step Solution
- Step 1: Write the proportion equation
815,532.76 : 1,125,404.08 = 452,979.88 : x - Step 2: Convert to fraction form
815,532.76/1,125,404.08 = 452,979.88/x - Step 3: Cross multiply
815,532.76x = 1,125,404.08 × 452,979.88 - Step 4: Simplify right side
815,532.76x = 509,785,405,109.91 - Step 5: Solve for x
x = 509,785,405,109.91/815,532.76 - Step 6: Final answer
x = 625,094.94
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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.