Finding the Fourth Proportional to 828,869.58, 1,243,300.18 and 716,206.98
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Solution
The fourth proportional to 828,869.58, 1,243,300.18 and 716,206.98 is: 1,074,306.85
Step by Step Solution
- Step 1: Write the proportion equation
828,869.58 : 1,243,300.18 = 716,206.98 : x - Step 2: Convert to fraction form
828,869.58/1,243,300.18 = 716,206.98/x - Step 3: Cross multiply
828,869.58x = 1,243,300.18 × 716,206.98 - Step 4: Simplify right side
828,869.58x = 890,460,267,151.26 - Step 5: Solve for x
x = 890,460,267,151.26/828,869.58 - Step 6: Final answer
x = 1,074,306.85
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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.