Finding the Fourth Proportional to 573,675.49, 860,124.99 and 321,130.30
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Solution
The fourth proportional to 573,675.49, 860,124.99 and 321,130.30 is: 481,478.12
Step by Step Solution
- Step 1: Write the proportion equation
573,675.49 : 860,124.99 = 321,130.30 : x - Step 2: Convert to fraction form
573,675.49/860,124.99 = 321,130.30/x - Step 3: Cross multiply
573,675.49x = 860,124.99 × 321,130.30 - Step 4: Simplify right side
573,675.49x = 276,212,196,076.20 - Step 5: Solve for x
x = 276,212,196,076.20/573,675.49 - Step 6: Final answer
x = 481,478.12
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1.5x scale
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.