Finding the Fourth Proportional to 698,580.90, 1,048,277.99 and 293,743.81
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Solution
The fourth proportional to 698,580.90, 1,048,277.99 and 293,743.81 is: 440,786.70
Step by Step Solution
- Step 1: Write the proportion equation
698,580.90 : 1,048,277.99 = 293,743.81 : x - Step 2: Convert to fraction form
698,580.90/1,048,277.99 = 293,743.81/x - Step 3: Cross multiply
698,580.90x = 1,048,277.99 × 293,743.81 - Step 4: Simplify right side
698,580.90x = 307,925,168,835.41 - Step 5: Solve for x
x = 307,925,168,835.41/698,580.90 - Step 6: Final answer
x = 440,786.70
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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.