Finding the Fourth Proportional to 724,647.26, 999,994.01 and 402,349.07
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Solution
The fourth proportional to 724,647.26, 999,994.01 and 402,349.07 is: 555,231.05
Step by Step Solution
- Step 1: Write the proportion equation
724,647.26 : 999,994.01 = 402,349.07 : x - Step 2: Convert to fraction form
724,647.26/999,994.01 = 402,349.07/x - Step 3: Cross multiply
724,647.26x = 999,994.01 × 402,349.07 - Step 4: Simplify right side
724,647.26x = 402,346,660,417.31 - Step 5: Solve for x
x = 402,346,660,417.31/724,647.26 - Step 6: Final answer
x = 555,231.05
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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.