Finding the Fourth Proportional to 828,327.84, 1,142,817.44 and 675,102.56
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Solution
The fourth proportional to 828,327.84, 1,142,817.44 and 675,102.56 is: 931,417.42
Step by Step Solution
- Step 1: Write the proportion equation
828,327.84 : 1,142,817.44 = 675,102.56 : x - Step 2: Convert to fraction form
828,327.84/1,142,817.44 = 675,102.56/x - Step 3: Cross multiply
828,327.84x = 1,142,817.44 × 675,102.56 - Step 4: Simplify right side
828,327.84x = 771,518,979,356.65 - Step 5: Solve for x
x = 771,518,979,356.65/828,327.84 - Step 6: Final answer
x = 931,417.42
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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.