Finding the Fourth Proportional to 556,932.94, 768,557.81 and 302,278.66
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Solution
The fourth proportional to 556,932.94, 768,557.81 and 302,278.66 is: 417,139.31
Step by Step Solution
- Step 1: Write the proportion equation
556,932.94 : 768,557.81 = 302,278.66 : x - Step 2: Convert to fraction form
556,932.94/768,557.81 = 302,278.66/x - Step 3: Cross multiply
556,932.94x = 768,557.81 × 302,278.66 - Step 4: Simplify right side
556,932.94x = 232,318,621,852.24 - Step 5: Solve for x
x = 232,318,621,852.24/556,932.94 - Step 6: Final answer
x = 417,139.31
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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.