Finding the Fourth Proportional to 1,281,430.08, 1,922,014.08 and 334,678.08
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Solution
The fourth proportional to 1,281,430.08, 1,922,014.08 and 334,678.08 is: 501,982.90
Step by Step Solution
- Step 1: Write the proportion equation
1,281,430.08 : 1,922,014.08 = 334,678.08 : x - Step 2: Convert to fraction form
1,281,430.08/1,922,014.08 = 334,678.08/x - Step 3: Cross multiply
1,281,430.08x = 1,922,014.08 × 334,678.08 - Step 4: Simplify right side
1,281,430.08x = 643,255,982,027.37 - Step 5: Solve for x
x = 643,255,982,027.37/1,281,430.08 - Step 6: Final answer
x = 501,982.90
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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.