Finding the Fourth Proportional to 803,998.44, 1,109,468.12 and 441,420.26
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Solution
The fourth proportional to 803,998.44, 1,109,468.12 and 441,420.26 is: 609,132.65
Step by Step Solution
- Step 1: Write the proportion equation
803,998.44 : 1,109,468.12 = 441,420.26 : x - Step 2: Convert to fraction form
803,998.44/1,109,468.12 = 441,420.26/x - Step 3: Cross multiply
803,998.44x = 1,109,468.12 × 441,420.26 - Step 4: Simplify right side
803,998.44x = 489,741,698,237.67 - Step 5: Solve for x
x = 489,741,698,237.67/803,998.44 - Step 6: Final answer
x = 609,132.65
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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.