Finding the Fourth Proportional to 556,783.58, 768,363.28 and 302,134.70
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Solution
The fourth proportional to 556,783.58, 768,363.28 and 302,134.70 is: 416,946.94
Step by Step Solution
- Step 1: Write the proportion equation
556,783.58 : 768,363.28 = 302,134.70 : x - Step 2: Convert to fraction form
556,783.58/768,363.28 = 302,134.70/x - Step 3: Cross multiply
556,783.58x = 768,363.28 × 302,134.70 - Step 4: Simplify right side
556,783.58x = 232,149,209,093.82 - Step 5: Solve for x
x = 232,149,209,093.82/556,783.58 - Step 6: Final answer
x = 416,946.94
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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.