Finding the Fourth Proportional to 521,463.65, 719,944.99 and 400,363.99
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Solution
The fourth proportional to 521,463.65, 719,944.99 and 400,363.99 is: 552,751.95
Step by Step Solution
- Step 1: Write the proportion equation
521,463.65 : 719,944.99 = 400,363.99 : x - Step 2: Convert to fraction form
521,463.65/719,944.99 = 400,363.99/x - Step 3: Cross multiply
521,463.65x = 719,944.99 × 400,363.99 - Step 4: Simplify right side
521,463.65x = 288,240,045,976.14 - Step 5: Solve for x
x = 288,240,045,976.14/521,463.65 - Step 6: Final answer
x = 552,751.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.