Finding the Fourth Proportional to 628,030.36, 943,948.77 and 415,523.08
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Solution
The fourth proportional to 628,030.36, 943,948.77 and 415,523.08 is: 624,543.85
Step by Step Solution
- Step 1: Write the proportion equation
628,030.36 : 943,948.77 = 415,523.08 : x - Step 2: Convert to fraction form
628,030.36/943,948.77 = 415,523.08/x - Step 3: Cross multiply
628,030.36x = 943,948.77 × 415,523.08 - Step 4: Simplify right side
628,030.36x = 392,232,500,272.61 - Step 5: Solve for x
x = 392,232,500,272.61/628,030.36 - Step 6: Final answer
x = 624,543.85
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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.