Finding the Fourth Proportional to 1,005,365.05, 1,508,266.28 and 331,331.65
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Solution
The fourth proportional to 1,005,365.05, 1,508,266.28 and 331,331.65 is: 497,069.55
Step by Step Solution
- Step 1: Write the proportion equation
1,005,365.05 : 1,508,266.28 = 331,331.65 : x - Step 2: Convert to fraction form
1,005,365.05/1,508,266.28 = 331,331.65/x - Step 3: Cross multiply
1,005,365.05x = 1,508,266.28 × 331,331.65 - Step 4: Simplify right side
1,005,365.05x = 499,736,353,535.10 - Step 5: Solve for x
x = 499,736,353,535.10/1,005,365.05 - Step 6: Final answer
x = 497,069.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.