Finding the Fourth Proportional to 626,117.04, 863,976.78 and 354,214.62
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Solution
The fourth proportional to 626,117.04, 863,976.78 and 354,214.62 is: 488,779.55
Step by Step Solution
- Step 1: Write the proportion equation
626,117.04 : 863,976.78 = 354,214.62 : x - Step 2: Convert to fraction form
626,117.04/863,976.78 = 354,214.62/x - Step 3: Cross multiply
626,117.04x = 863,976.78 × 354,214.62 - Step 4: Simplify right side
626,117.04x = 306,033,206,816.52 - Step 5: Solve for x
x = 306,033,206,816.52/626,117.04 - Step 6: Final answer
x = 488,779.55
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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.