Finding the Fourth Proportional to 719,522.30, 1,078,921.99 and 239,580.45
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Solution
The fourth proportional to 719,522.30, 1,078,921.99 and 239,580.45 is: 359,250.32
Step by Step Solution
- Step 1: Write the proportion equation
719,522.30 : 1,078,921.99 = 239,580.45 : x - Step 2: Convert to fraction form
719,522.30/1,078,921.99 = 239,580.45/x - Step 3: Cross multiply
719,522.30x = 1,078,921.99 × 239,580.45 - Step 4: Simplify right side
719,522.30x = 258,488,616,178.57 - Step 5: Solve for x
x = 258,488,616,178.57/719,522.30 - Step 6: Final answer
x = 359,250.32
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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.