Finding the Fourth Proportional to 759,912.60, 1,048,507.71 and 453,929.09
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Solution
The fourth proportional to 759,912.60, 1,048,507.71 and 453,929.09 is: 626,319.58
Step by Step Solution
- Step 1: Write the proportion equation
759,912.60 : 1,048,507.71 = 453,929.09 : x - Step 2: Convert to fraction form
759,912.60/1,048,507.71 = 453,929.09/x - Step 3: Cross multiply
759,912.60x = 1,048,507.71 × 453,929.09 - Step 4: Simplify right side
759,912.60x = 475,948,143,713.51 - Step 5: Solve for x
x = 475,948,143,713.51/759,912.60 - Step 6: Final answer
x = 626,319.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.