Finding the Fourth Proportional to 864,403.68, 1,295,555.69 and 611,758.01
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Solution
The fourth proportional to 864,403.68, 1,295,555.69 and 611,758.01 is: 916,894.02
Step by Step Solution
- Step 1: Write the proportion equation
864,403.68 : 1,295,555.69 = 611,758.01 : x - Step 2: Convert to fraction form
864,403.68/1,295,555.69 = 611,758.01/x - Step 3: Cross multiply
864,403.68x = 1,295,555.69 × 611,758.01 - Step 4: Simplify right side
864,403.68x = 792,566,561,222.01 - Step 5: Solve for x
x = 792,566,561,222.01/864,403.68 - Step 6: Final answer
x = 916,894.02
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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.