Finding the Fourth Proportional to 687,903.23, 1,031,067.52 and 266,818.25
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Solution
The fourth proportional to 687,903.23, 1,031,067.52 and 266,818.25 is: 399,921.99
Step by Step Solution
- Step 1: Write the proportion equation
687,903.23 : 1,031,067.52 = 266,818.25 : x - Step 2: Convert to fraction form
687,903.23/1,031,067.52 = 266,818.25/x - Step 3: Cross multiply
687,903.23x = 1,031,067.52 × 266,818.25 - Step 4: Simplify right side
687,903.23x = 275,107,631,318.24 - Step 5: Solve for x
x = 275,107,631,318.24/687,903.23 - Step 6: Final answer
x = 399,921.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.