Finding the Fourth Proportional to 809,352.80, 1,134,752.80 and 809,352.80
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Solution
The fourth proportional to 809,352.80, 1,134,752.80 and 809,352.80 is: 1,134,752.80
Step by Step Solution
- Step 1: Write the proportion equation
809,352.80 : 1,134,752.80 = 809,352.80 : x - Step 2: Convert to fraction form
809,352.80/1,134,752.80 = 809,352.80/x - Step 3: Cross multiply
809,352.80x = 1,134,752.80 × 809,352.80 - Step 4: Simplify right side
809,352.80x = 918,415,355,987.84 - Step 5: Solve for x
x = 918,415,355,987.84/809,352.80 - Step 6: Final answer
x = 1,134,752.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.