Finding the Fourth Proportional to 626,720.16, 864,873.84 and 340,239.84
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Solution
The fourth proportional to 626,720.16, 864,873.84 and 340,239.84 is: 469,530.99
Step by Step Solution
- Step 1: Write the proportion equation
626,720.16 : 864,873.84 = 340,239.84 : x - Step 2: Convert to fraction form
626,720.16/864,873.84 = 340,239.84/x - Step 3: Cross multiply
626,720.16x = 864,873.84 × 340,239.84 - Step 4: Simplify right side
626,720.16x = 294,264,536,941.79 - Step 5: Solve for x
x = 294,264,536,941.79/626,720.16 - Step 6: Final answer
x = 469,530.99
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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.