Finding the Fourth Proportional to 724,248.74, 999,450.80 and 401,972.42
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Solution
The fourth proportional to 724,248.74, 999,450.80 and 401,972.42 is: 554,715.02
Step by Step Solution
- Step 1: Write the proportion equation
724,248.74 : 999,450.80 = 401,972.42 : x - Step 2: Convert to fraction form
724,248.74/999,450.80 = 401,972.42/x - Step 3: Cross multiply
724,248.74x = 999,450.80 × 401,972.42 - Step 4: Simplify right side
724,248.74x = 401,751,658,743.10 - Step 5: Solve for x
x = 401,751,658,743.10/724,248.74 - Step 6: Final answer
x = 554,715.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.