Finding the Fourth Proportional to 689,617.98, 1,034,093.79 and 240,328.26
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Solution
The fourth proportional to 689,617.98, 1,034,093.79 and 240,328.26 is: 360,376.28
Step by Step Solution
- Step 1: Write the proportion equation
689,617.98 : 1,034,093.79 = 240,328.26 : x - Step 2: Convert to fraction form
689,617.98/1,034,093.79 = 240,328.26/x - Step 3: Cross multiply
689,617.98x = 1,034,093.79 × 240,328.26 - Step 4: Simplify right side
689,617.98x = 248,521,961,227.51 - Step 5: Solve for x
x = 248,521,961,227.51/689,617.98 - Step 6: Final answer
x = 360,376.28
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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.