Finding the Fourth Proportional to 850,386.12, 1,275,580.76 and 798,423
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Solution
The fourth proportional to 850,386.12, 1,275,580.76 and 798,423 is: 1,197,635.98
Step by Step Solution
- Step 1: Write the proportion equation
850,386.12 : 1,275,580.76 = 798,423 : x - Step 2: Convert to fraction form
850,386.12/1,275,580.76 = 798,423/x - Step 3: Cross multiply
850,386.12x = 1,275,580.76 × 798,423 - Step 4: Simplify right side
850,386.12x = 1,018,453,017,141.48 - Step 5: Solve for x
x = 1,018,453,017,141.48/850,386.12 - Step 6: Final answer
x = 1,197,635.98
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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.