Finding the Fourth Proportional to 702,112.74, 968,911.65 and 379,821.84
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Solution
The fourth proportional to 702,112.74, 968,911.65 and 379,821.84 is: 524,152.01
Step by Step Solution
- Step 1: Write the proportion equation
702,112.74 : 968,911.65 = 379,821.84 : x - Step 2: Convert to fraction form
702,112.74/968,911.65 = 379,821.84/x - Step 3: Cross multiply
702,112.74x = 968,911.65 × 379,821.84 - Step 4: Simplify right side
702,112.74x = 368,013,805,700.44 - Step 5: Solve for x
x = 368,013,805,700.44/702,112.74 - Step 6: Final answer
x = 524,152.01
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1.5x scale
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.