Finding the Fourth Proportional to 915,135.60, 1,372,794.60 and 382,823.28
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Solution
The fourth proportional to 915,135.60, 1,372,794.60 and 382,823.28 is: 574,273.07
Step by Step Solution
- Step 1: Write the proportion equation
915,135.60 : 1,372,794.60 = 382,823.28 : x - Step 2: Convert to fraction form
915,135.60/1,372,794.60 = 382,823.28/x - Step 3: Cross multiply
915,135.60x = 1,372,794.60 × 382,823.28 - Step 4: Simplify right side
915,135.60x = 525,537,731,538.29 - Step 5: Solve for x
x = 525,537,731,538.29/915,135.60 - Step 6: Final answer
x = 574,273.07
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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.