Finding the Fourth Proportional to 855,604.70, 1,283,407.05 and 814,132.70
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Solution
The fourth proportional to 855,604.70, 1,283,407.05 and 814,132.70 is: 1,221,199.05
Step by Step Solution
- Step 1: Write the proportion equation
855,604.70 : 1,283,407.05 = 814,132.70 : x - Step 2: Convert to fraction form
855,604.70/1,283,407.05 = 814,132.70/x - Step 3: Cross multiply
855,604.70x = 1,283,407.05 × 814,132.70 - Step 4: Simplify right side
855,604.70x = 1,044,863,646,815.54 - Step 5: Solve for x
x = 1,044,863,646,815.54/855,604.70 - Step 6: Final answer
x = 1,221,199.05
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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.