Finding the Fourth Proportional to 617,726.81, 852,480.80 and 345,793.10
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Solution
The fourth proportional to 617,726.81, 852,480.80 and 345,793.10 is: 477,204.45
Step by Step Solution
- Step 1: Write the proportion equation
617,726.81 : 852,480.80 = 345,793.10 : x - Step 2: Convert to fraction form
617,726.81/852,480.80 = 345,793.10/x - Step 3: Cross multiply
617,726.81x = 852,480.80 × 345,793.10 - Step 4: Simplify right side
617,726.81x = 294,781,980,568.13 - Step 5: Solve for x
x = 294,781,980,568.13/617,726.81 - Step 6: Final answer
x = 477,204.45
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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.