Finding the Fourth Proportional to 708,226.07, 977,351.99 and 385,936.07
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Solution
The fourth proportional to 708,226.07, 977,351.99 and 385,936.07 is: 532,591.78
Step by Step Solution
- Step 1: Write the proportion equation
708,226.07 : 977,351.99 = 385,936.07 : x - Step 2: Convert to fraction form
708,226.07/977,351.99 = 385,936.07/x - Step 3: Cross multiply
708,226.07x = 977,351.99 × 385,936.07 - Step 4: Simplify right side
708,226.07x = 377,195,379,210.84 - Step 5: Solve for x
x = 377,195,379,210.84/708,226.07 - Step 6: Final answer
x = 532,591.78
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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.