Finding the Fourth Proportional to 769,860.57, 1,062,314.85 and 425,649.99
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Solution
The fourth proportional to 769,860.57, 1,062,314.85 and 425,649.99 is: 587,345.71
Step by Step Solution
- Step 1: Write the proportion equation
769,860.57 : 1,062,314.85 = 425,649.99 : x - Step 2: Convert to fraction form
769,860.57/1,062,314.85 = 425,649.99/x - Step 3: Cross multiply
769,860.57x = 1,062,314.85 × 425,649.99 - Step 4: Simplify right side
769,860.57x = 452,174,305,279.35 - Step 5: Solve for x
x = 452,174,305,279.35/769,860.57 - Step 6: Final answer
x = 587,345.71
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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.