Finding the Fourth Proportional to 712,575.99, 1,068,962.40 and 239,396.67
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Solution
The fourth proportional to 712,575.99, 1,068,962.40 and 239,396.67 is: 359,128.07
Step by Step Solution
- Step 1: Write the proportion equation
712,575.99 : 1,068,962.40 = 239,396.67 : x - Step 2: Convert to fraction form
712,575.99/1,068,962.40 = 239,396.67/x - Step 3: Cross multiply
712,575.99x = 1,068,962.40 × 239,396.67 - Step 4: Simplify right side
712,575.99x = 255,906,038,915.21 - Step 5: Solve for x
x = 255,906,038,915.21/712,575.99 - Step 6: Final answer
x = 359,128.07
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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.