Finding the Fourth Proportional to 478,652.51, 660,709.62 and 427,576.53
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Solution
The fourth proportional to 478,652.51, 660,709.62 and 427,576.53 is: 590,206.72
Step by Step Solution
- Step 1: Write the proportion equation
478,652.51 : 660,709.62 = 427,576.53 : x - Step 2: Convert to fraction form
478,652.51/660,709.62 = 427,576.53/x - Step 3: Cross multiply
478,652.51x = 660,709.62 × 427,576.53 - Step 4: Simplify right side
478,652.51x = 282,503,926,657.22 - Step 5: Solve for x
x = 282,503,926,657.22/478,652.51 - Step 6: Final answer
x = 590,206.72
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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.