Finding the Fourth Proportional to 961,325.76, 1,326,637.92 and 531,634.80
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Solution
The fourth proportional to 961,325.76, 1,326,637.92 and 531,634.80 is: 733,660.65
Step by Step Solution
- Step 1: Write the proportion equation
961,325.76 : 1,326,637.92 = 531,634.80 : x - Step 2: Convert to fraction form
961,325.76/1,326,637.92 = 531,634.80/x - Step 3: Cross multiply
961,325.76x = 1,326,637.92 × 531,634.80 - Step 4: Simplify right side
961,325.76x = 705,286,885,271.62 - Step 5: Solve for x
x = 705,286,885,271.62/961,325.76 - Step 6: Final answer
x = 733,660.65
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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.