Finding the Fourth Proportional to 840,455.62, 1,159,826.34 and 458,479.68
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Solution
The fourth proportional to 840,455.62, 1,159,826.34 and 458,479.68 is: 632,700.64
Step by Step Solution
- Step 1: Write the proportion equation
840,455.62 : 1,159,826.34 = 458,479.68 : x - Step 2: Convert to fraction form
840,455.62/1,159,826.34 = 458,479.68/x - Step 3: Cross multiply
840,455.62x = 1,159,826.34 × 458,479.68 - Step 4: Simplify right side
840,455.62x = 531,756,809,218.77 - Step 5: Solve for x
x = 531,756,809,218.77/840,455.62 - Step 6: Final answer
x = 632,700.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.