Finding the Fourth Proportional to 775,193.14, 1,163,015.70 and 475,865.74
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Solution
The fourth proportional to 775,193.14, 1,163,015.70 and 475,865.74 is: 713,937.34
Step by Step Solution
- Step 1: Write the proportion equation
775,193.14 : 1,163,015.70 = 475,865.74 : x - Step 2: Convert to fraction form
775,193.14/1,163,015.70 = 475,865.74/x - Step 3: Cross multiply
775,193.14x = 1,163,015.70 × 475,865.74 - Step 4: Simplify right side
775,193.14x = 553,439,326,712.12 - Step 5: Solve for x
x = 553,439,326,712.12/775,193.14 - Step 6: Final answer
x = 713,937.34
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1.5x scale
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.