Finding the Fourth Proportional to 961,364, 1,326,660.36 and 531,647.84
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Solution
The fourth proportional to 961,364, 1,326,660.36 and 531,647.84 is: 733,661.88
Step by Step Solution
- Step 1: Write the proportion equation
961,364 : 1,326,660.36 = 531,647.84 : x - Step 2: Convert to fraction form
961,364/1,326,660.36 = 531,647.84/x - Step 3: Cross multiply
961,364x = 1,326,660.36 × 531,647.84 - Step 4: Simplify right side
961,364x = 705,316,114,807.62 - Step 5: Solve for x
x = 705,316,114,807.62/961,364 - Step 6: Final answer
x = 733,661.88
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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.