Finding the Fourth Proportional to 957,756.52, 1,321,763.55 and 528,035.99
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Solution
The fourth proportional to 957,756.52, 1,321,763.55 and 528,035.99 is: 728,722.50
Step by Step Solution
- Step 1: Write the proportion equation
957,756.52 : 1,321,763.55 = 528,035.99 : x - Step 2: Convert to fraction form
957,756.52/1,321,763.55 = 528,035.99/x - Step 3: Cross multiply
957,756.52x = 1,321,763.55 × 528,035.99 - Step 4: Simplify right side
957,756.52x = 697,938,724,670.17 - Step 5: Solve for x
x = 697,938,724,670.17/957,756.52 - Step 6: Final answer
x = 728,722.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.