Finding the Fourth Proportional to 929,125.60, 1,394,149.20 and 530,072.80
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Solution
The fourth proportional to 929,125.60, 1,394,149.20 and 530,072.80 is: 795,372.09
Step by Step Solution
- Step 1: Write the proportion equation
929,125.60 : 1,394,149.20 = 530,072.80 : x - Step 2: Convert to fraction form
929,125.60/1,394,149.20 = 530,072.80/x - Step 3: Cross multiply
929,125.60x = 1,394,149.20 × 530,072.80 - Step 4: Simplify right side
929,125.60x = 739,000,570,061.76 - Step 5: Solve for x
x = 739,000,570,061.76/929,125.60 - Step 6: Final answer
x = 795,372.09
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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.