Finding the Fourth Proportional to 867,486.99, 1,300,328.34 and 335,373.49
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Solution
The fourth proportional to 867,486.99, 1,300,328.34 and 335,373.49 is: 502,711.46
Step by Step Solution
- Step 1: Write the proportion equation
867,486.99 : 1,300,328.34 = 335,373.49 : x - Step 2: Convert to fraction form
867,486.99/1,300,328.34 = 335,373.49/x - Step 3: Cross multiply
867,486.99x = 1,300,328.34 × 335,373.49 - Step 4: Simplify right side
867,486.99x = 436,095,653,531.71 - Step 5: Solve for x
x = 436,095,653,531.71/867,486.99 - Step 6: Final answer
x = 502,711.46
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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.