Finding the Fourth Proportional to 828,864.63, 1,243,292.78 and 716,202.05
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Solution
The fourth proportional to 828,864.63, 1,243,292.78 and 716,202.05 is: 1,074,299.47
Step by Step Solution
- Step 1: Write the proportion equation
828,864.63 : 1,243,292.78 = 716,202.05 : x - Step 2: Convert to fraction form
828,864.63/1,243,292.78 = 716,202.05/x - Step 3: Cross multiply
828,864.63x = 1,243,292.78 × 716,202.05 - Step 4: Simplify right side
828,864.63x = 890,448,833,360.24 - Step 5: Solve for x
x = 890,448,833,360.24/828,864.63 - Step 6: Final answer
x = 1,074,299.47
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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.