Finding the Fourth Proportional to 887,772.97, 1,225,126.74 and 479,873.47
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Solution
The fourth proportional to 887,772.97, 1,225,126.74 and 479,873.47 is: 662,225.41
Step by Step Solution
- Step 1: Write the proportion equation
887,772.97 : 1,225,126.74 = 479,873.47 : x - Step 2: Convert to fraction form
887,772.97/1,225,126.74 = 479,873.47/x - Step 3: Cross multiply
887,772.97x = 1,225,126.74 × 479,873.47 - Step 4: Simplify right side
887,772.97x = 587,905,817,514.22 - Step 5: Solve for x
x = 587,905,817,514.22/887,772.97 - Step 6: Final answer
x = 662,225.41
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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.