Finding the Fourth Proportional to 702,412.96, 969,332.30 and 380,122.96
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Solution
The fourth proportional to 702,412.96, 969,332.30 and 380,122.96 is: 524,570.99
Step by Step Solution
- Step 1: Write the proportion equation
702,412.96 : 969,332.30 = 380,122.96 : x - Step 2: Convert to fraction form
702,412.96/969,332.30 = 380,122.96/x - Step 3: Cross multiply
702,412.96x = 969,332.30 × 380,122.96 - Step 4: Simplify right side
702,412.96x = 368,465,463,099.61 - Step 5: Solve for x
x = 368,465,463,099.61/702,412.96 - Step 6: Final answer
x = 524,570.99
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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.