Finding the Fourth Proportional to 805,424.06, 1,207,381.57 and 272,572.04
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Solution
The fourth proportional to 805,424.06, 1,207,381.57 and 272,572.04 is: 408,602.71
Step by Step Solution
- Step 1: Write the proportion equation
805,424.06 : 1,207,381.57 = 272,572.04 : x - Step 2: Convert to fraction form
805,424.06/1,207,381.57 = 272,572.04/x - Step 3: Cross multiply
805,424.06x = 1,207,381.57 × 272,572.04 - Step 4: Simplify right side
805,424.06x = 329,098,457,593.30 - Step 5: Solve for x
x = 329,098,457,593.30/805,424.06 - Step 6: Final answer
x = 408,602.71
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1.5x scale
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.