Finding the Fourth Proportional to 816,878.26, 1,127,257.17 and 449,332.06
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Solution
The fourth proportional to 816,878.26, 1,127,257.17 and 449,332.06 is: 620,059.08
Step by Step Solution
- Step 1: Write the proportion equation
816,878.26 : 1,127,257.17 = 449,332.06 : x - Step 2: Convert to fraction form
816,878.26/1,127,257.17 = 449,332.06/x - Step 3: Cross multiply
816,878.26x = 1,127,257.17 × 449,332.06 - Step 4: Simplify right side
816,878.26x = 506,512,786,345.87 - Step 5: Solve for x
x = 506,512,786,345.87/816,878.26 - Step 6: Final answer
x = 620,059.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.