Finding the Fourth Proportional to 929,257.93, 1,394,032.70 and 396,781.75
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Solution
The fourth proportional to 929,257.93, 1,394,032.70 and 396,781.75 is: 595,234.88
Step by Step Solution
- Step 1: Write the proportion equation
929,257.93 : 1,394,032.70 = 396,781.75 : x - Step 2: Convert to fraction form
929,257.93/1,394,032.70 = 396,781.75/x - Step 3: Cross multiply
929,257.93x = 1,394,032.70 × 396,781.75 - Step 4: Simplify right side
929,257.93x = 553,126,734,263.23 - Step 5: Solve for x
x = 553,126,734,263.23/929,257.93 - Step 6: Final answer
x = 595,234.88
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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.