Finding the Fourth Proportional to 689,753.60, 1,033,135.02 and 334,021.65
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Solution
The fourth proportional to 689,753.60, 1,033,135.02 and 334,021.65 is: 500,308.31
Step by Step Solution
- Step 1: Write the proportion equation
689,753.60 : 1,033,135.02 = 334,021.65 : x - Step 2: Convert to fraction form
689,753.60/1,033,135.02 = 334,021.65/x - Step 3: Cross multiply
689,753.60x = 1,033,135.02 × 334,021.65 - Step 4: Simplify right side
689,753.60x = 345,089,460,178.93 - Step 5: Solve for x
x = 345,089,460,178.93/689,753.60 - Step 6: Final answer
x = 500,308.31
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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.