Finding the Fourth Proportional to 859,528.80, 1,186,017.84 and 496,882.08
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Solution
The fourth proportional to 859,528.80, 1,186,017.84 and 496,882.08 is: 685,621.02
Step by Step Solution
- Step 1: Write the proportion equation
859,528.80 : 1,186,017.84 = 496,882.08 : x - Step 2: Convert to fraction form
859,528.80/1,186,017.84 = 496,882.08/x - Step 3: Cross multiply
859,528.80x = 1,186,017.84 × 496,882.08 - Step 4: Simplify right side
859,528.80x = 589,311,011,256.31 - Step 5: Solve for x
x = 589,311,011,256.31/859,528.80 - Step 6: Final answer
x = 685,621.02
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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.