Finding the Fourth Proportional to 828,878.42, 1,243,313.51 and 716,215.80
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Solution
The fourth proportional to 828,878.42, 1,243,313.51 and 716,215.80 is: 1,074,320.14
Step by Step Solution
- Step 1: Write the proportion equation
828,878.42 : 1,243,313.51 = 716,215.80 : x - Step 2: Convert to fraction form
828,878.42/1,243,313.51 = 716,215.80/x - Step 3: Cross multiply
828,878.42x = 1,243,313.51 × 716,215.80 - Step 4: Simplify right side
828,878.42x = 890,480,776,634.38 - Step 5: Solve for x
x = 890,480,776,634.38/828,878.42 - Step 6: Final answer
x = 1,074,320.14
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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.