Finding the Fourth Proportional to 920,947.23, 1,270,909.17 and 533,837.31
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Solution
The fourth proportional to 920,947.23, 1,270,909.17 and 533,837.31 is: 736,696.64
Step by Step Solution
- Step 1: Write the proportion equation
920,947.23 : 1,270,909.17 = 533,837.31 : x - Step 2: Convert to fraction form
920,947.23/1,270,909.17 = 533,837.31/x - Step 3: Cross multiply
920,947.23x = 1,270,909.17 × 533,837.31 - Step 4: Simplify right side
920,947.23x = 678,458,732,567.13 - Step 5: Solve for x
x = 678,458,732,567.13/920,947.23 - Step 6: Final answer
x = 736,696.64
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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.