Finding the Fourth Proportional to 525,121.80, 787,682.70 and 497,473.80
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Solution
The fourth proportional to 525,121.80, 787,682.70 and 497,473.80 is: 746,210.70
Step by Step Solution
- Step 1: Write the proportion equation
525,121.80 : 787,682.70 = 497,473.80 : x - Step 2: Convert to fraction form
525,121.80/787,682.70 = 497,473.80/x - Step 3: Cross multiply
525,121.80x = 787,682.70 × 497,473.80 - Step 4: Simplify right side
525,121.80x = 391,851,505,963.26 - Step 5: Solve for x
x = 391,851,505,963.26/525,121.80 - Step 6: Final answer
x = 746,210.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.