Finding the Fourth Proportional to 619,537.70, 929,306.55 and 479,569.70
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Solution
The fourth proportional to 619,537.70, 929,306.55 and 479,569.70 is: 719,354.55
Step by Step Solution
- Step 1: Write the proportion equation
619,537.70 : 929,306.55 = 479,569.70 : x - Step 2: Convert to fraction form
619,537.70/929,306.55 = 479,569.70/x - Step 3: Cross multiply
619,537.70x = 929,306.55 × 479,569.70 - Step 4: Simplify right side
619,537.70x = 445,667,263,391.54 - Step 5: Solve for x
x = 445,667,263,391.54/619,537.70 - Step 6: Final answer
x = 719,354.55
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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.