Finding the Fourth Proportional to 808,189.48, 1,115,054.16 and 468,589.96
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Solution
The fourth proportional to 808,189.48, 1,115,054.16 and 468,589.96 is: 646,510.75
Step by Step Solution
- Step 1: Write the proportion equation
808,189.48 : 1,115,054.16 = 468,589.96 : x - Step 2: Convert to fraction form
808,189.48/1,115,054.16 = 468,589.96/x - Step 3: Cross multiply
808,189.48x = 1,115,054.16 × 468,589.96 - Step 4: Simplify right side
808,189.48x = 522,503,184,232.23 - Step 5: Solve for x
x = 522,503,184,232.23/808,189.48 - Step 6: Final answer
x = 646,510.75
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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.