Finding the Fourth Proportional to 519,783.36, 717,307.02 and 304,927.08
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Solution
The fourth proportional to 519,783.36, 717,307.02 and 304,927.08 is: 420,802.88
Step by Step Solution
- Step 1: Write the proportion equation
519,783.36 : 717,307.02 = 304,927.08 : x - Step 2: Convert to fraction form
519,783.36/717,307.02 = 304,927.08/x - Step 3: Cross multiply
519,783.36x = 717,307.02 × 304,927.08 - Step 4: Simplify right side
519,783.36x = 218,726,335,072.10 - Step 5: Solve for x
x = 218,726,335,072.10/519,783.36 - Step 6: Final answer
x = 420,802.88
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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.