Finding the Fourth Proportional to 920,753.24, 1,270,703.30 and 558,192.38
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Solution
The fourth proportional to 920,753.24, 1,270,703.30 and 558,192.38 is: 770,344.17
Step by Step Solution
- Step 1: Write the proportion equation
920,753.24 : 1,270,703.30 = 558,192.38 : x - Step 2: Convert to fraction form
920,753.24/1,270,703.30 = 558,192.38/x - Step 3: Cross multiply
920,753.24x = 1,270,703.30 × 558,192.38 - Step 4: Simplify right side
920,753.24x = 709,296,890,156.38 - Step 5: Solve for x
x = 709,296,890,156.38/920,753.24 - Step 6: Final answer
x = 770,344.17
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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.