Finding the Fourth Proportional to 869,379.24, 1,199,821.50 and 506,920.44
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Solution
The fourth proportional to 869,379.24, 1,199,821.50 and 506,920.44 is: 699,595.77
Step by Step Solution
- Step 1: Write the proportion equation
869,379.24 : 1,199,821.50 = 506,920.44 : x - Step 2: Convert to fraction form
869,379.24/1,199,821.50 = 506,920.44/x - Step 3: Cross multiply
869,379.24x = 1,199,821.50 × 506,920.44 - Step 4: Simplify right side
869,379.24x = 608,214,042,701.46 - Step 5: Solve for x
x = 608,214,042,701.46/869,379.24 - Step 6: Final answer
x = 699,595.77
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1.5x scale
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.