Finding the Fourth Proportional to 556,907.91, 768,533.24 and 302,259.09
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Solution
The fourth proportional to 556,907.91, 768,533.24 and 302,259.09 is: 417,117.71
Step by Step Solution
- Step 1: Write the proportion equation
556,907.91 : 768,533.24 = 302,259.09 : x - Step 2: Convert to fraction form
556,907.91/768,533.24 = 302,259.09/x - Step 3: Cross multiply
556,907.91x = 768,533.24 × 302,259.09 - Step 4: Simplify right side
556,907.91x = 232,296,152,403.19 - Step 5: Solve for x
x = 232,296,152,403.19/556,907.91 - Step 6: Final answer
x = 417,117.71
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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.