Finding the Fourth Proportional to 864,994, 1,193,686.98 and 477,836.08
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Solution
The fourth proportional to 864,994, 1,193,686.98 and 477,836.08 is: 659,411.17
Step by Step Solution
- Step 1: Write the proportion equation
864,994 : 1,193,686.98 = 477,836.08 : x - Step 2: Convert to fraction form
864,994/1,193,686.98 = 477,836.08/x - Step 3: Cross multiply
864,994x = 1,193,686.98 × 477,836.08 - Step 4: Simplify right side
864,994x = 570,386,707,270.24 - Step 5: Solve for x
x = 570,386,707,270.24/864,994 - Step 6: Final answer
x = 659,411.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.