Finding the Fourth Proportional to 704,578.04, 972,316.36 and 382,288.06
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Solution
The fourth proportional to 704,578.04, 972,316.36 and 382,288.06 is: 527,556.79
Step by Step Solution
- Step 1: Write the proportion equation
704,578.04 : 972,316.36 = 382,288.06 : x - Step 2: Convert to fraction form
704,578.04/972,316.36 = 382,288.06/x - Step 3: Cross multiply
704,578.04x = 972,316.36 × 382,288.06 - Step 4: Simplify right side
704,578.04x = 371,704,929,044.27 - Step 5: Solve for x
x = 371,704,929,044.27/704,578.04 - Step 6: Final answer
x = 527,556.79
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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.