Finding the Fourth Proportional to 1,017,853.36, 1,527,202.68 and 512,144.32
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Solution
The fourth proportional to 1,017,853.36, 1,527,202.68 and 512,144.32 is: 768,429.14
Step by Step Solution
- Step 1: Write the proportion equation
1,017,853.36 : 1,527,202.68 = 512,144.32 : x - Step 2: Convert to fraction form
1,017,853.36/1,527,202.68 = 512,144.32/x - Step 3: Cross multiply
1,017,853.36x = 1,527,202.68 × 512,144.32 - Step 4: Simplify right side
1,017,853.36x = 782,148,178,050.78 - Step 5: Solve for x
x = 782,148,178,050.78/1,017,853.36 - Step 6: Final answer
x = 768,429.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.