Finding the Fourth Proportional to 553,381.68, 828,741.84 and 316,004.88
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Solution
The fourth proportional to 553,381.68, 828,741.84 and 316,004.88 is: 473,247.44
Step by Step Solution
- Step 1: Write the proportion equation
553,381.68 : 828,741.84 = 316,004.88 : x - Step 2: Convert to fraction form
553,381.68/828,741.84 = 316,004.88/x - Step 3: Cross multiply
553,381.68x = 828,741.84 × 316,004.88 - Step 4: Simplify right side
553,381.68x = 261,886,465,700.18 - Step 5: Solve for x
x = 261,886,465,700.18/553,381.68 - Step 6: Final answer
x = 473,247.44
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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.