Finding the Fourth Proportional to 636,482.67, 878,368.64 and 350,024.55
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Solution
The fourth proportional to 636,482.67, 878,368.64 and 350,024.55 is: 483,046.28
Step by Step Solution
- Step 1: Write the proportion equation
636,482.67 : 878,368.64 = 350,024.55 : x - Step 2: Convert to fraction form
636,482.67/878,368.64 = 350,024.55/x - Step 3: Cross multiply
636,482.67x = 878,368.64 × 350,024.55 - Step 4: Simplify right side
636,482.67x = 307,450,586,199.99 - Step 5: Solve for x
x = 307,450,586,199.99/636,482.67 - Step 6: Final answer
x = 483,046.28
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1.5x scale
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.