Finding the Fourth Proportional to 719,526.30, 1,078,927.99 and 239,584.45
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Solution
The fourth proportional to 719,526.30, 1,078,927.99 and 239,584.45 is: 359,256.32
Step by Step Solution
- Step 1: Write the proportion equation
719,526.30 : 1,078,927.99 = 239,584.45 : x - Step 2: Convert to fraction form
719,526.30/1,078,927.99 = 239,584.45/x - Step 3: Cross multiply
719,526.30x = 1,078,927.99 × 239,584.45 - Step 4: Simplify right side
719,526.30x = 258,494,369,073.76 - Step 5: Solve for x
x = 258,494,369,073.76/719,526.30 - Step 6: Final answer
x = 359,256.32
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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.