Finding the Fourth Proportional to 549,902.16, 824,915.55 and 493,395.09
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Solution
The fourth proportional to 549,902.16, 824,915.55 and 493,395.09 is: 740,148.54
Step by Step Solution
- Step 1: Write the proportion equation
549,902.16 : 824,915.55 = 493,395.09 : x - Step 2: Convert to fraction form
549,902.16/824,915.55 = 493,395.09/x - Step 3: Cross multiply
549,902.16x = 824,915.55 × 493,395.09 - Step 4: Simplify right side
549,902.16x = 407,009,284,096.94 - Step 5: Solve for x
x = 407,009,284,096.94/549,902.16 - Step 6: Final answer
x = 740,148.54
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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.