Finding the Fourth Proportional to 963,135.60, 1,329,110.88 and 533,433.84
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Solution
The fourth proportional to 963,135.60, 1,329,110.88 and 533,433.84 is: 736,129.70
Step by Step Solution
- Step 1: Write the proportion equation
963,135.60 : 1,329,110.88 = 533,433.84 : x - Step 2: Convert to fraction form
963,135.60/1,329,110.88 = 533,433.84/x - Step 3: Cross multiply
963,135.60x = 1,329,110.88 × 533,433.84 - Step 4: Simplify right side
963,135.60x = 708,992,720,504.18 - Step 5: Solve for x
x = 708,992,720,504.18/963,135.60 - Step 6: Final answer
x = 736,129.70
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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.