Finding the Fourth Proportional to 556,946.55, 768,934.22 and 382,816.53
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Solution
The fourth proportional to 556,946.55, 768,934.22 and 382,816.53 is: 528,525.99
Step by Step Solution
- Step 1: Write the proportion equation
556,946.55 : 768,934.22 = 382,816.53 : x - Step 2: Convert to fraction form
556,946.55/768,934.22 = 382,816.53/x - Step 3: Cross multiply
556,946.55x = 768,934.22 × 382,816.53 - Step 4: Simplify right side
556,946.55x = 294,360,727,984.57 - Step 5: Solve for x
x = 294,360,727,984.57/556,946.55 - Step 6: Final answer
x = 528,525.99
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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.