Finding the Fourth Proportional to 929,930.20, 1,394,549.70 and 368,848.60
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Solution
The fourth proportional to 929,930.20, 1,394,549.70 and 368,848.60 is: 553,135.82
Step by Step Solution
- Step 1: Write the proportion equation
929,930.20 : 1,394,549.70 = 368,848.60 : x - Step 2: Convert to fraction form
929,930.20/1,394,549.70 = 368,848.60/x - Step 3: Cross multiply
929,930.20x = 1,394,549.70 × 368,848.60 - Step 4: Simplify right side
929,930.20x = 514,377,704,475.42 - Step 5: Solve for x
x = 514,377,704,475.42/929,930.20 - Step 6: Final answer
x = 553,135.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.