Finding the Fourth Proportional to 825,711.55, 1,238,745.48 and 249,286.99
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Solution
The fourth proportional to 825,711.55, 1,238,745.48 and 249,286.99 is: 373,984.27
Step by Step Solution
- Step 1: Write the proportion equation
825,711.55 : 1,238,745.48 = 249,286.99 : x - Step 2: Convert to fraction form
825,711.55/1,238,745.48 = 249,286.99/x - Step 3: Cross multiply
825,711.55x = 1,238,745.48 × 249,286.99 - Step 4: Simplify right side
825,711.55x = 308,803,132,085.31 - Step 5: Solve for x
x = 308,803,132,085.31/825,711.55 - Step 6: Final answer
x = 373,984.27
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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.