Finding the Fourth Proportional to 963,309.96, 1,329,367.86 and 533,617.92
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Solution
The fourth proportional to 963,309.96, 1,329,367.86 and 533,617.92 is: 736,392.79
Step by Step Solution
- Step 1: Write the proportion equation
963,309.96 : 1,329,367.86 = 533,617.92 : x - Step 2: Convert to fraction form
963,309.96/1,329,367.86 = 533,617.92/x - Step 3: Cross multiply
963,309.96x = 1,329,367.86 × 533,617.92 - Step 4: Simplify right side
963,309.96x = 709,374,512,368.05 - Step 5: Solve for x
x = 709,374,512,368.05/963,309.96 - Step 6: Final answer
x = 736,392.79
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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.