Finding the Fourth Proportional to 724,768.00, 1,000,226.12 and 402,478.09
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Solution
The fourth proportional to 724,768.00, 1,000,226.12 and 402,478.09 is: 555,445.46
Step by Step Solution
- Step 1: Write the proportion equation
724,768.00 : 1,000,226.12 = 402,478.09 : x - Step 2: Convert to fraction form
724,768.00/1,000,226.12 = 402,478.09/x - Step 3: Cross multiply
724,768.00x = 1,000,226.12 × 402,478.09 - Step 4: Simplify right side
724,768.00x = 402,569,098,909.83 - Step 5: Solve for x
x = 402,569,098,909.83/724,768.00 - Step 6: Final answer
x = 555,445.46
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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.