Finding the Fourth Proportional to 527,827.94, 791,267.81 and 257,803.31
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Solution
The fourth proportional to 527,827.94, 791,267.81 and 257,803.31 is: 386,473.39
Step by Step Solution
- Step 1: Write the proportion equation
527,827.94 : 791,267.81 = 257,803.31 : x - Step 2: Convert to fraction form
527,827.94/791,267.81 = 257,803.31/x - Step 3: Cross multiply
527,827.94x = 791,267.81 × 257,803.31 - Step 4: Simplify right side
527,827.94x = 203,991,455,913.60 - Step 5: Solve for x
x = 203,991,455,913.60/527,827.94 - Step 6: Final answer
x = 386,473.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.