Finding the Fourth Proportional to 440,848.80, 659,890.80 and 316,432.80
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Solution
The fourth proportional to 440,848.80, 659,890.80 and 316,432.80 is: 473,656.94
Step by Step Solution
- Step 1: Write the proportion equation
440,848.80 : 659,890.80 = 316,432.80 : x - Step 2: Convert to fraction form
440,848.80/659,890.80 = 316,432.80/x - Step 3: Cross multiply
440,848.80x = 659,890.80 × 316,432.80 - Step 4: Simplify right side
440,848.80x = 208,811,093,538.24 - Step 5: Solve for x
x = 208,811,093,538.24/440,848.80 - Step 6: Final answer
x = 473,656.94
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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.