Finding the Fourth Proportional to 1,236,854.88, 1,855,338.21 and 338,276.52
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Solution
The fourth proportional to 1,236,854.88, 1,855,338.21 and 338,276.52 is: 507,430.07
Step by Step Solution
- Step 1: Write the proportion equation
1,236,854.88 : 1,855,338.21 = 338,276.52 : x - Step 2: Convert to fraction form
1,236,854.88/1,855,338.21 = 338,276.52/x - Step 3: Cross multiply
1,236,854.88x = 1,855,338.21 × 338,276.52 - Step 4: Simplify right side
1,236,854.88x = 627,617,353,101.83 - Step 5: Solve for x
x = 627,617,353,101.83/1,236,854.88 - Step 6: Final answer
x = 507,430.07
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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.