Finding the Fourth Proportional to 925,729.08, 1,388,624.28 and 318,511.53
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Solution
The fourth proportional to 925,729.08, 1,388,624.28 and 318,511.53 is: 477,777.84
Step by Step Solution
- Step 1: Write the proportion equation
925,729.08 : 1,388,624.28 = 318,511.53 : x - Step 2: Convert to fraction form
925,729.08/1,388,624.28 = 318,511.53/x - Step 3: Cross multiply
925,729.08x = 1,388,624.28 × 318,511.53 - Step 4: Simplify right side
925,729.08x = 442,292,844,017.95 - Step 5: Solve for x
x = 442,292,844,017.95/925,729.08 - Step 6: Final answer
x = 477,777.84
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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.