Finding the Fourth Proportional to 912,628.17, 1,368,926.73 and 272,933.37
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Solution
The fourth proportional to 912,628.17, 1,368,926.73 and 272,933.37 is: 409,395.41
Step by Step Solution
- Step 1: Write the proportion equation
912,628.17 : 1,368,926.73 = 272,933.37 : x - Step 2: Convert to fraction form
912,628.17/1,368,926.73 = 272,933.37/x - Step 3: Cross multiply
912,628.17x = 1,368,926.73 × 272,933.37 - Step 4: Simplify right side
912,628.17x = 373,625,785,701.98 - Step 5: Solve for x
x = 373,625,785,701.98/912,628.17 - Step 6: Final answer
x = 409,395.41
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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.