Finding the Fourth Proportional to 550,564.76, 759,634.26 and 317,934.68
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Solution
The fourth proportional to 550,564.76, 759,634.26 and 317,934.68 is: 438,666.06
Step by Step Solution
- Step 1: Write the proportion equation
550,564.76 : 759,634.26 = 317,934.68 : x - Step 2: Convert to fraction form
550,564.76/759,634.26 = 317,934.68/x - Step 3: Cross multiply
550,564.76x = 759,634.26 × 317,934.68 - Step 4: Simplify right side
550,564.76x = 241,514,075,370.14 - Step 5: Solve for x
x = 241,514,075,370.14/550,564.76 - Step 6: Final answer
x = 438,666.06
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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.