Finding the Fourth Proportional to 691,465.34, 954,152.33 and 385,513.00
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Solution
The fourth proportional to 691,465.34, 954,152.33 and 385,513.00 is: 531,968.99
Step by Step Solution
- Step 1: Write the proportion equation
691,465.34 : 954,152.33 = 385,513.00 : x - Step 2: Convert to fraction form
691,465.34/954,152.33 = 385,513.00/x - Step 3: Cross multiply
691,465.34x = 954,152.33 × 385,513.00 - Step 4: Simplify right side
691,465.34x = 367,838,122,882.34 - Step 5: Solve for x
x = 367,838,122,882.34/691,465.34 - Step 6: Final answer
x = 531,968.99
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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.