Finding the Fourth Proportional to 929,435.80, 1,394,124.90 and 264,587.80
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Solution
The fourth proportional to 929,435.80, 1,394,124.90 and 264,587.80 is: 396,873.50
Step by Step Solution
- Step 1: Write the proportion equation
929,435.80 : 1,394,124.90 = 264,587.80 : x - Step 2: Convert to fraction form
929,435.80/1,394,124.90 = 264,587.80/x - Step 3: Cross multiply
929,435.80x = 1,394,124.90 × 264,587.80 - Step 4: Simplify right side
929,435.80x = 368,868,440,216.22 - Step 5: Solve for x
x = 368,868,440,216.22/929,435.80 - Step 6: Final answer
x = 396,873.50
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1.5x scale
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.