Finding the Fourth Proportional to 929,735.13, 1,395,349.92 and 480,587.58
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Solution
The fourth proportional to 929,735.13, 1,395,349.92 and 480,587.58 is: 721,267.62
Step by Step Solution
- Step 1: Write the proportion equation
929,735.13 : 1,395,349.92 = 480,587.58 : x - Step 2: Convert to fraction form
929,735.13/1,395,349.92 = 480,587.58/x - Step 3: Cross multiply
929,735.13x = 1,395,349.92 × 480,587.58 - Step 4: Simplify right side
929,735.13x = 670,587,841,305.99 - Step 5: Solve for x
x = 670,587,841,305.99/929,735.13 - Step 6: Final answer
x = 721,267.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.