Finding the Fourth Proportional to 556,909.18, 768,535.41 and 302,260.40
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Solution
The fourth proportional to 556,909.18, 768,535.41 and 302,260.40 is: 417,119.75
Step by Step Solution
- Step 1: Write the proportion equation
556,909.18 : 768,535.41 = 302,260.40 : x - Step 2: Convert to fraction form
556,909.18/768,535.41 = 302,260.40/x - Step 3: Cross multiply
556,909.18x = 768,535.41 × 302,260.40 - Step 4: Simplify right side
556,909.18x = 232,297,820,440.76 - Step 5: Solve for x
x = 232,297,820,440.76/556,909.18 - Step 6: Final answer
x = 417,119.75
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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.