Finding the Fourth Proportional to 659,704.08, 910,393.40 and 357,898.08
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Solution
The fourth proportional to 659,704.08, 910,393.40 and 357,898.08 is: 493,900.31
Step by Step Solution
- Step 1: Write the proportion equation
659,704.08 : 910,393.40 = 357,898.08 : x - Step 2: Convert to fraction form
659,704.08/910,393.40 = 357,898.08/x - Step 3: Cross multiply
659,704.08x = 910,393.40 × 357,898.08 - Step 4: Simplify right side
659,704.08x = 325,828,048,115.18 - Step 5: Solve for x
x = 325,828,048,115.18/659,704.08 - Step 6: Final answer
x = 493,900.31
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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.