Finding the Fourth Proportional to 724,667.28, 1,082,120.99 and 591,811.08
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Solution
The fourth proportional to 724,667.28, 1,082,120.99 and 591,811.08 is: 883,731.34
Step by Step Solution
- Step 1: Write the proportion equation
724,667.28 : 1,082,120.99 = 591,811.08 : x - Step 2: Convert to fraction form
724,667.28/1,082,120.99 = 591,811.08/x - Step 3: Cross multiply
724,667.28x = 1,082,120.99 × 591,811.08 - Step 4: Simplify right side
724,667.28x = 640,411,188,823.51 - Step 5: Solve for x
x = 640,411,188,823.51/724,667.28 - Step 6: Final answer
x = 883,731.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.