Finding the Fourth Proportional to 961,272.08, 1,326,519.60 and 531,544.40
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Solution
The fourth proportional to 961,272.08, 1,326,519.60 and 531,544.40 is: 733,511.44
Step by Step Solution
- Step 1: Write the proportion equation
961,272.08 : 1,326,519.60 = 531,544.40 : x - Step 2: Convert to fraction form
961,272.08/1,326,519.60 = 531,544.40/x - Step 3: Cross multiply
961,272.08x = 1,326,519.60 × 531,544.40 - Step 4: Simplify right side
961,272.08x = 705,104,064,870.24 - Step 5: Solve for x
x = 705,104,064,870.24/961,272.08 - Step 6: Final answer
x = 733,511.44
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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.