Finding the Fourth Proportional to 885,691.02, 1,328,747.34 and 286,652.18
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Solution
The fourth proportional to 885,691.02, 1,328,747.34 and 286,652.18 is: 430,046.50
Step by Step Solution
- Step 1: Write the proportion equation
885,691.02 : 1,328,747.34 = 286,652.18 : x - Step 2: Convert to fraction form
885,691.02/1,328,747.34 = 286,652.18/x - Step 3: Cross multiply
885,691.02x = 1,328,747.34 × 286,652.18 - Step 4: Simplify right side
885,691.02x = 380,888,321,680.20 - Step 5: Solve for x
x = 380,888,321,680.20/885,691.02 - Step 6: Final answer
x = 430,046.50
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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.