Finding the Fourth Proportional to 877,096.74, 1,316,046.87 and 477,138.18
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Solution
The fourth proportional to 877,096.74, 1,316,046.87 and 477,138.18 is: 715,925.83
Step by Step Solution
- Step 1: Write the proportion equation
877,096.74 : 1,316,046.87 = 477,138.18 : x - Step 2: Convert to fraction form
877,096.74/1,316,046.87 = 477,138.18/x - Step 3: Cross multiply
877,096.74x = 1,316,046.87 × 477,138.18 - Step 4: Simplify right side
877,096.74x = 627,936,208,346.50 - Step 5: Solve for x
x = 627,936,208,346.50/877,096.74 - Step 6: Final answer
x = 715,925.83
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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.