Finding the Fourth Proportional to 963,591.74, 1,329,739.36 and 533,863.25
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Solution
The fourth proportional to 963,591.74, 1,329,739.36 and 533,863.25 is: 736,721.73
Step by Step Solution
- Step 1: Write the proportion equation
963,591.74 : 1,329,739.36 = 533,863.25 : x - Step 2: Convert to fraction form
963,591.74/1,329,739.36 = 533,863.25/x - Step 3: Cross multiply
963,591.74x = 1,329,739.36 × 533,863.25 - Step 4: Simplify right side
963,591.74x = 709,898,976,382.52 - Step 5: Solve for x
x = 709,898,976,382.52/963,591.74 - Step 6: Final answer
x = 736,721.73
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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.