Finding the Fourth Proportional to 738,089.44, 1,018,753.44 and 480,609.08
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Solution
The fourth proportional to 738,089.44, 1,018,753.44 and 480,609.08 is: 663,364.26
Step by Step Solution
- Step 1: Write the proportion equation
738,089.44 : 1,018,753.44 = 480,609.08 : x - Step 2: Convert to fraction form
738,089.44/1,018,753.44 = 480,609.08/x - Step 3: Cross multiply
738,089.44x = 1,018,753.44 × 480,609.08 - Step 4: Simplify right side
738,089.44x = 489,622,153,545.24 - Step 5: Solve for x
x = 489,622,153,545.24/738,089.44 - Step 6: Final answer
x = 663,364.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.