Finding the Fourth Proportional to 687,932.34, 949,314.68 and 382,028.12
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Solution
The fourth proportional to 687,932.34, 949,314.68 and 382,028.12 is: 527,181.06
Step by Step Solution
- Step 1: Write the proportion equation
687,932.34 : 949,314.68 = 382,028.12 : x - Step 2: Convert to fraction form
687,932.34/949,314.68 = 382,028.12/x - Step 3: Cross multiply
687,932.34x = 949,314.68 × 382,028.12 - Step 4: Simplify right side
687,932.34x = 362,664,902,488.80 - Step 5: Solve for x
x = 362,664,902,488.80/687,932.34 - Step 6: Final answer
x = 527,181.06
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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.