Finding the Fourth Proportional to 472,801.80, 709,202.70 and 449,473.80
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Solution
The fourth proportional to 472,801.80, 709,202.70 and 449,473.80 is: 674,210.70
Step by Step Solution
- Step 1: Write the proportion equation
472,801.80 : 709,202.70 = 449,473.80 : x - Step 2: Convert to fraction form
472,801.80/709,202.70 = 449,473.80/x - Step 3: Cross multiply
472,801.80x = 709,202.70 × 449,473.80 - Step 4: Simplify right side
472,801.80x = 318,768,032,539.26 - Step 5: Solve for x
x = 318,768,032,539.26/472,801.80 - Step 6: Final answer
x = 674,210.70
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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.