Finding the Fourth Proportional to 724,363.63, 999,621.07 and 402,073.07
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Solution
The fourth proportional to 724,363.63, 999,621.07 and 402,073.07 is: 554,860.42
Step by Step Solution
- Step 1: Write the proportion equation
724,363.63 : 999,621.07 = 402,073.07 : x - Step 2: Convert to fraction form
724,363.63/999,621.07 = 402,073.07/x - Step 3: Cross multiply
724,363.63x = 999,621.07 × 402,073.07 - Step 4: Simplify right side
724,363.63x = 401,920,706,448.30 - Step 5: Solve for x
x = 401,920,706,448.30/724,363.63 - Step 6: Final answer
x = 554,860.42
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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.