Finding the Fourth Proportional to 933,805.80, 1,400,708.70 and 878,509.80
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Solution
The fourth proportional to 933,805.80, 1,400,708.70 and 878,509.80 is: 1,317,764.70
Step by Step Solution
- Step 1: Write the proportion equation
933,805.80 : 1,400,708.70 = 878,509.80 : x - Step 2: Convert to fraction form
933,805.80/1,400,708.70 = 878,509.80/x - Step 3: Cross multiply
933,805.80x = 1,400,708.70 × 878,509.80 - Step 4: Simplify right side
933,805.80x = 1,230,536,319,895.26 - Step 5: Solve for x
x = 1,230,536,319,895.26/933,805.80 - Step 6: Final answer
x = 1,317,764.70
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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.