Finding the Fourth Proportional to 540,097.08, 745,331.58 and 298,379.70
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Solution
The fourth proportional to 540,097.08, 745,331.58 and 298,379.70 is: 411,762.67
Step by Step Solution
- Step 1: Write the proportion equation
540,097.08 : 745,331.58 = 298,379.70 : x - Step 2: Convert to fraction form
540,097.08/745,331.58 = 298,379.70/x - Step 3: Cross multiply
540,097.08x = 745,331.58 × 298,379.70 - Step 4: Simplify right side
540,097.08x = 222,391,813,240.93 - Step 5: Solve for x
x = 222,391,813,240.93/540,097.08 - Step 6: Final answer
x = 411,762.67
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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.