Finding the Fourth Proportional to 827,153.70, 1,240,730.55 and 617,201.70
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Solution
The fourth proportional to 827,153.70, 1,240,730.55 and 617,201.70 is: 925,802.55
Step by Step Solution
- Step 1: Write the proportion equation
827,153.70 : 1,240,730.55 = 617,201.70 : x - Step 2: Convert to fraction form
827,153.70/1,240,730.55 = 617,201.70/x - Step 3: Cross multiply
827,153.70x = 1,240,730.55 × 617,201.70 - Step 4: Simplify right side
827,153.70x = 765,781,004,701.94 - Step 5: Solve for x
x = 765,781,004,701.94/827,153.70 - Step 6: Final answer
x = 925,802.55
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1.5x scale
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.