Finding the Fourth Proportional to 719,943.48, 993,532.50 and 418,137.48
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Solution
The fourth proportional to 719,943.48, 993,532.50 and 418,137.48 is: 577,035.82
Step by Step Solution
- Step 1: Write the proportion equation
719,943.48 : 993,532.50 = 418,137.48 : x - Step 2: Convert to fraction form
719,943.48/993,532.50 = 418,137.48/x - Step 3: Cross multiply
719,943.48x = 993,532.50 × 418,137.48 - Step 4: Simplify right side
719,943.48x = 415,433,175,848.10 - Step 5: Solve for x
x = 415,433,175,848.10/719,943.48 - Step 6: Final answer
x = 577,035.82
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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.