Finding the Fourth Proportional to 403,473.60, 556,273.26 and 330,605.60
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Solution
The fourth proportional to 403,473.60, 556,273.26 and 330,605.60 is: 455,809.39
Step by Step Solution
- Step 1: Write the proportion equation
403,473.60 : 556,273.26 = 330,605.60 : x - Step 2: Convert to fraction form
403,473.60/556,273.26 = 330,605.60/x - Step 3: Cross multiply
403,473.60x = 556,273.26 × 330,605.60 - Step 4: Simplify right side
403,473.60x = 183,907,054,886.26 - Step 5: Solve for x
x = 183,907,054,886.26/403,473.60 - Step 6: Final answer
x = 455,809.39
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1.5x scale
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.