Finding the Fourth Proportional to 720,307.84, 1,079,598.84 and 335,538.04
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Solution
The fourth proportional to 720,307.84, 1,079,598.84 and 335,538.04 is: 502,905.09
Step by Step Solution
- Step 1: Write the proportion equation
720,307.84 : 1,079,598.84 = 335,538.04 : x - Step 2: Convert to fraction form
720,307.84/1,079,598.84 = 335,538.04/x - Step 3: Cross multiply
720,307.84x = 1,079,598.84 × 335,538.04 - Step 4: Simplify right side
720,307.84x = 362,246,478,759.87 - Step 5: Solve for x
x = 362,246,478,759.87/720,307.84 - Step 6: Final answer
x = 502,905.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.