Finding the Fourth Proportional to 556,907.81, 768,533.54 and 302,258.99
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Solution
The fourth proportional to 556,907.81, 768,533.54 and 302,258.99 is: 417,117.82
Step by Step Solution
- Step 1: Write the proportion equation
556,907.81 : 768,533.54 = 302,258.99 : x - Step 2: Convert to fraction form
556,907.81/768,533.54 = 302,258.99/x - Step 3: Cross multiply
556,907.81x = 768,533.54 × 302,258.99 - Step 4: Simplify right side
556,907.81x = 232,296,171,991.56 - Step 5: Solve for x
x = 232,296,171,991.56/556,907.81 - Step 6: Final answer
x = 417,117.82
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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.