Finding the Fourth Proportional to 687,933.34, 949,316.06 and 382,029.12
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Solution
The fourth proportional to 687,933.34, 949,316.06 and 382,029.12 is: 527,182.44
Step by Step Solution
- Step 1: Write the proportion equation
687,933.34 : 949,316.06 = 382,029.12 : x - Step 2: Convert to fraction form
687,933.34/949,316.06 = 382,029.12/x - Step 3: Cross multiply
687,933.34x = 949,316.06 × 382,029.12 - Step 4: Simplify right side
687,933.34x = 362,666,379,003.67 - Step 5: Solve for x
x = 362,666,379,003.67/687,933.34 - Step 6: Final answer
x = 527,182.44
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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.