Finding the Fourth Proportional to 898,302.06, 1,239,675.60 and 490,421.08
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Solution
The fourth proportional to 898,302.06, 1,239,675.60 and 490,421.08 is: 676,791.33
Step by Step Solution
- Step 1: Write the proportion equation
898,302.06 : 1,239,675.60 = 490,421.08 : x - Step 2: Convert to fraction form
898,302.06/1,239,675.60 = 490,421.08/x - Step 3: Cross multiply
898,302.06x = 1,239,675.60 × 490,421.08 - Step 4: Simplify right side
898,302.06x = 607,963,046,601.65 - Step 5: Solve for x
x = 607,963,046,601.65/898,302.06 - Step 6: Final answer
x = 676,791.33
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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.