Finding the Fourth Proportional to 740,377.97, 1,021,879.50 and 508,122.67
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Solution
The fourth proportional to 740,377.97, 1,021,879.50 and 508,122.67 is: 701,317.65
Step by Step Solution
- Step 1: Write the proportion equation
740,377.97 : 1,021,879.50 = 508,122.67 : x - Step 2: Convert to fraction form
740,377.97/1,021,879.50 = 508,122.67/x - Step 3: Cross multiply
740,377.97x = 1,021,879.50 × 508,122.67 - Step 4: Simplify right side
740,377.97x = 519,240,137,414.13 - Step 5: Solve for x
x = 519,240,137,414.13/740,377.97 - Step 6: Final answer
x = 701,317.65
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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.