Finding the Fourth Proportional to 809,506.20, 1,214,259.30 and 573,115.80
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Solution
The fourth proportional to 809,506.20, 1,214,259.30 and 573,115.80 is: 859,673.70
Step by Step Solution
- Step 1: Write the proportion equation
809,506.20 : 1,214,259.30 = 573,115.80 : x - Step 2: Convert to fraction form
809,506.20/1,214,259.30 = 573,115.80/x - Step 3: Cross multiply
809,506.20x = 1,214,259.30 × 573,115.80 - Step 4: Simplify right side
809,506.20x = 695,911,190,126.94 - Step 5: Solve for x
x = 695,911,190,126.94/809,506.20 - Step 6: Final answer
x = 859,673.70
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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.