Finding the Fourth Proportional to 854,130.24, 1,178,879.94 and 710,750.52
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Solution
The fourth proportional to 854,130.24, 1,178,879.94 and 710,750.52 is: 980,985.68
Step by Step Solution
- Step 1: Write the proportion equation
854,130.24 : 1,178,879.94 = 710,750.52 : x - Step 2: Convert to fraction form
854,130.24/1,178,879.94 = 710,750.52/x - Step 3: Cross multiply
854,130.24x = 1,178,879.94 × 710,750.52 - Step 4: Simplify right side
854,130.24x = 837,889,530,372.57 - Step 5: Solve for x
x = 837,889,530,372.57/854,130.24 - Step 6: Final answer
x = 980,985.68
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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.