Finding the Fourth Proportional to 556,896.87, 768,518.07 and 302,248.08
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Solution
The fourth proportional to 556,896.87, 768,518.07 and 302,248.08 is: 417,102.56
Step by Step Solution
- Step 1: Write the proportion equation
556,896.87 : 768,518.07 = 302,248.08 : x - Step 2: Convert to fraction form
556,896.87/768,518.07 = 302,248.08/x - Step 3: Cross multiply
556,896.87x = 768,518.07 × 302,248.08 - Step 4: Simplify right side
556,896.87x = 232,283,111,102.81 - Step 5: Solve for x
x = 232,283,111,102.81/556,896.87 - Step 6: Final answer
x = 417,102.56
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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.