Finding the Fourth Proportional to 808,671.80, 1,213,007.70 and 335,307.80
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Solution
The fourth proportional to 808,671.80, 1,213,007.70 and 335,307.80 is: 502,961.70
Step by Step Solution
- Step 1: Write the proportion equation
808,671.80 : 1,213,007.70 = 335,307.80 : x - Step 2: Convert to fraction form
808,671.80/1,213,007.70 = 335,307.80/x - Step 3: Cross multiply
808,671.80x = 1,213,007.70 × 335,307.80 - Step 4: Simplify right side
808,671.80x = 406,730,943,270.06 - Step 5: Solve for x
x = 406,730,943,270.06/808,671.80 - Step 6: Final answer
x = 502,961.70
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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.