Finding the Fourth Proportional to 658,855.53, 909,318.15 and 417,160.53
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Solution
The fourth proportional to 658,855.53, 909,318.15 and 417,160.53 is: 575,743.28
Step by Step Solution
- Step 1: Write the proportion equation
658,855.53 : 909,318.15 = 417,160.53 : x - Step 2: Convert to fraction form
658,855.53/909,318.15 = 417,160.53/x - Step 3: Cross multiply
658,855.53x = 909,318.15 × 417,160.53 - Step 4: Simplify right side
658,855.53x = 379,331,641,392.62 - Step 5: Solve for x
x = 379,331,641,392.62/658,855.53 - Step 6: Final answer
x = 575,743.28
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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.