Finding the Fourth Proportional to 758,960.24, 1,047,368.40 and 414,803.12
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Solution
The fourth proportional to 758,960.24, 1,047,368.40 and 414,803.12 is: 572,430.09
Step by Step Solution
- Step 1: Write the proportion equation
758,960.24 : 1,047,368.40 = 414,803.12 : x - Step 2: Convert to fraction form
758,960.24/1,047,368.40 = 414,803.12/x - Step 3: Cross multiply
758,960.24x = 1,047,368.40 × 414,803.12 - Step 4: Simplify right side
758,960.24x = 434,451,680,109.41 - Step 5: Solve for x
x = 434,451,680,109.41/758,960.24 - Step 6: Final answer
x = 572,430.09
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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.