Finding the Fourth Proportional to 988,518.02, 1,482,243.86 and 448,479.63
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Solution
The fourth proportional to 988,518.02, 1,482,243.86 and 448,479.63 is: 672,477.55
Step by Step Solution
- Step 1: Write the proportion equation
988,518.02 : 1,482,243.86 = 448,479.63 : x - Step 2: Convert to fraction form
988,518.02/1,482,243.86 = 448,479.63/x - Step 3: Cross multiply
988,518.02x = 1,482,243.86 × 448,479.63 - Step 4: Simplify right side
988,518.02x = 664,756,179,023.77 - Step 5: Solve for x
x = 664,756,179,023.77/988,518.02 - Step 6: Final answer
x = 672,477.55
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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.