Finding the Fourth Proportional to 977,879.12, 1,466,514.92 and 472,125.65
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Solution
The fourth proportional to 977,879.12, 1,466,514.92 and 472,125.65 is: 708,041.82
Step by Step Solution
- Step 1: Write the proportion equation
977,879.12 : 1,466,514.92 = 472,125.65 : x - Step 2: Convert to fraction form
977,879.12/1,466,514.92 = 472,125.65/x - Step 3: Cross multiply
977,879.12x = 1,466,514.92 × 472,125.65 - Step 4: Simplify right side
977,879.12x = 692,379,303,687.44 - Step 5: Solve for x
x = 692,379,303,687.44/977,879.12 - Step 6: Final answer
x = 708,041.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.