Finding the Fourth Proportional to 724,353.03, 999,605.48 and 402,066.99
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Solution
The fourth proportional to 724,353.03, 999,605.48 and 402,066.99 is: 554,851.50
Step by Step Solution
- Step 1: Write the proportion equation
724,353.03 : 999,605.48 = 402,066.99 : x - Step 2: Convert to fraction form
724,353.03/999,605.48 = 402,066.99/x - Step 3: Cross multiply
724,353.03x = 999,605.48 × 402,066.99 - Step 4: Simplify right side
724,353.03x = 401,908,364,520.77 - Step 5: Solve for x
x = 401,908,364,520.77/724,353.03 - Step 6: Final answer
x = 554,851.50
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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.