Finding the Fourth Proportional to 699,845.06, 965,943.69 and 457,987.50
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Solution
The fourth proportional to 699,845.06, 965,943.69 and 457,987.50 is: 632,125.82
Step by Step Solution
- Step 1: Write the proportion equation
699,845.06 : 965,943.69 = 457,987.50 : x - Step 2: Convert to fraction form
699,845.06/965,943.69 = 457,987.50/x - Step 3: Cross multiply
699,845.06x = 965,943.69 × 457,987.50 - Step 4: Simplify right side
699,845.06x = 442,390,128,604.22 - Step 5: Solve for x
x = 442,390,128,604.22/699,845.06 - Step 6: Final answer
x = 632,125.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.