Finding the Fourth Proportional to 979,730.68, 1,470,048 and 447,414.88
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Solution
The fourth proportional to 979,730.68, 1,470,048 and 447,414.88 is: 671,328.73
Step by Step Solution
- Step 1: Write the proportion equation
979,730.68 : 1,470,048 = 447,414.88 : x - Step 2: Convert to fraction form
979,730.68/1,470,048 = 447,414.88/x - Step 3: Cross multiply
979,730.68x = 1,470,048 × 447,414.88 - Step 4: Simplify right side
979,730.68x = 657,721,349,514.24 - Step 5: Solve for x
x = 657,721,349,514.24/979,730.68 - Step 6: Final answer
x = 671,328.73
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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.