Finding the Fourth Proportional to 479,101.70, 718,652.55 and 455,773.70
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Solution
The fourth proportional to 479,101.70, 718,652.55 and 455,773.70 is: 683,660.55
Step by Step Solution
- Step 1: Write the proportion equation
479,101.70 : 718,652.55 = 455,773.70 : x - Step 2: Convert to fraction form
479,101.70/718,652.55 = 455,773.70/x - Step 3: Cross multiply
479,101.70x = 718,652.55 × 455,773.70 - Step 4: Simplify right side
479,101.70x = 327,542,931,727.94 - Step 5: Solve for x
x = 327,542,931,727.94/479,101.70 - Step 6: Final answer
x = 683,660.55
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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.