Finding the Fourth Proportional to 813,341.99, 1,122,411.92 and 450,820.31
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Solution
The fourth proportional to 813,341.99, 1,122,411.92 and 450,820.31 is: 622,132.02
Step by Step Solution
- Step 1: Write the proportion equation
813,341.99 : 1,122,411.92 = 450,820.31 : x - Step 2: Convert to fraction form
813,341.99/1,122,411.92 = 450,820.31/x - Step 3: Cross multiply
813,341.99x = 1,122,411.92 × 450,820.31 - Step 4: Simplify right side
813,341.99x = 506,006,089,722.10 - Step 5: Solve for x
x = 506,006,089,722.10/813,341.99 - Step 6: Final answer
x = 622,132.02
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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.