Finding the Fourth Proportional to 828,879.42, 1,243,315 and 716,216.80
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Solution
The fourth proportional to 828,879.42, 1,243,315 and 716,216.80 is: 1,074,321.63
Step by Step Solution
- Step 1: Write the proportion equation
828,879.42 : 1,243,315 = 716,216.80 : x - Step 2: Convert to fraction form
828,879.42/1,243,315 = 716,216.80/x - Step 3: Cross multiply
828,879.42x = 1,243,315 × 716,216.80 - Step 4: Simplify right side
828,879.42x = 890,483,090,692 - Step 5: Solve for x
x = 890,483,090,692/828,879.42 - Step 6: Final answer
x = 1,074,321.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.