Finding the Fourth Proportional to 550,153.80, 824,246.55 and 471,421.80
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Solution
The fourth proportional to 550,153.80, 824,246.55 and 471,421.80 is: 706,289.39
Step by Step Solution
- Step 1: Write the proportion equation
550,153.80 : 824,246.55 = 471,421.80 : x - Step 2: Convert to fraction form
550,153.80/824,246.55 = 471,421.80/x - Step 3: Cross multiply
550,153.80x = 824,246.55 × 471,421.80 - Step 4: Simplify right side
550,153.80x = 388,567,792,244.79 - Step 5: Solve for x
x = 388,567,792,244.79/550,153.80 - Step 6: Final answer
x = 706,289.39
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1.5x scale
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.