Finding the Fourth Proportional to 556,558.08, 767,805.36 and 375,203.76
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Solution
The fourth proportional to 556,558.08, 767,805.36 and 375,203.76 is: 517,616.16
Step by Step Solution
- Step 1: Write the proportion equation
556,558.08 : 767,805.36 = 375,203.76 : x - Step 2: Convert to fraction form
556,558.08/767,805.36 = 375,203.76/x - Step 3: Cross multiply
556,558.08x = 767,805.36 × 375,203.76 - Step 4: Simplify right side
556,558.08x = 288,083,458,020.15 - Step 5: Solve for x
x = 288,083,458,020.15/556,558.08 - Step 6: Final answer
x = 517,616.16
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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.