Finding the Fourth Proportional to 920,400.99, 1,270,141.25 and 506,929.82
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Solution
The fourth proportional to 920,400.99, 1,270,141.25 and 506,929.82 is: 699,556.48
Step by Step Solution
- Step 1: Write the proportion equation
920,400.99 : 1,270,141.25 = 506,929.82 : x - Step 2: Convert to fraction form
920,400.99/1,270,141.25 = 506,929.82/x - Step 3: Cross multiply
920,400.99x = 1,270,141.25 × 506,929.82 - Step 4: Simplify right side
920,400.99x = 643,872,475,237.08 - Step 5: Solve for x
x = 643,872,475,237.08/920,400.99 - Step 6: Final answer
x = 699,556.48
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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.